1387971060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 288

約数和(自身を含む): 4744793088

約数和(自身を除く): 3356822028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 97, 98, 105, 124, 140, 147, 155, 157, 186, 194, 196, 210, 217, 245, 291, 294, 310, 314, 372, 388, 420, 434, 465, 471, 485, 490, 582, 588, 620, 628, 651, 679, 735, 785, 868, 930, 942, 970, 980, 1085, 1099, 1164, 1302, 1358, 1455, 1470, 1519, 1570, 1860, 1884, 1940, 2037, 2170, 2198, 2355, 2604, 2716, 2910, 2940, 3007, 3038, 3140, 3255, 3297, 3395, 4074, 4340, 4396, 4557, 4710, 4753, 4867, 5495, 5820, 6014, 6076, 6510, 6594, 6790, 7595, 7693, 8148, 9021, 9114, 9420, 9506, 9734, 10185, 10990, 12028, 13020, 13188, 13580, 14259, 14601, 15035, 15190, 15229, 15386, 16485, 18042, 18228, 19012, 19468, 20370, 21049, 21980, 22785, 23079, 23765, 24335, 28518, 29202, 30070, 30380, 30458, 30772, 32970, 34069, 36084, 38465, 40740, 42098, 45105, 45570, 45687, 46158, 47530, 48670, 57036, 58404, 60140, 60916, 63147, 65940, 68138, 71295, 73005, 76145, 76930, 84196, 90210, 91140, 91374, 92316, 95060, 97340, 102207, 105245, 106603, 115395, 126294, 136276, 142590, 146010, 147343, 152290, 153860, 170345, 180420, 182748, 204414, 210490, 213206, 228435, 230790, 238483, 252588, 285180, 292020, 294686, 304580, 315735, 319809, 340690, 408828, 420980, 426412, 442029, 456870, 461580, 472099, 476966, 511035, 533015, 589372, 631470, 639618, 681380, 715449, 736715, 746221, 884058, 913740, 944198, 953932, 1022070, 1066030, 1192415, 1262940, 1279236, 1416297, 1430898, 1473430, 1492442, 1599045, 1768116, 1888396, 2044140, 2132060, 2210145, 2238663, 2360495, 2384830, 2832594, 2861796, 2946860, 2984884, 3198090, 3304693, 3577245, 3731105, 4420290, 4477326, 4720990, 4769660, 5665188, 6396180, 6609386, 7081485, 7154490, 7462210, 8840580, 8954652, 9441980, 9914079, 11193315, 13218772, 14162970, 14308980, 14924420, 16523465, 19828158, 22386630, 23132851, 28325940, 33046930, 39656316, 44773260, 46265702, 49570395, 66093860, 69398553, 92531404, 99140790, 115664255, 138797106, 198281580, 231328510, 277594212, 346992765, 462657020, 693985530, 1387971060]

約数ペア:

[(1, 1387971060), (2, 693985530), (3, 462657020), (4, 346992765), (5, 277594212), (6, 231328510), (7, 198281580), (10, 138797106), (12, 115664255), (14, 99140790), (15, 92531404), (20, 69398553), (21, 66093860), (28, 49570395), (30, 46265702), (31, 44773260), (35, 39656316), (42, 33046930), (49, 28325940), (60, 23132851), (62, 22386630), (70, 19828158), (84, 16523465), (93, 14924420), (97, 14308980), (98, 14162970), (105, 13218772), (124, 11193315), (140, 9914079), (147, 9441980), (155, 8954652), (157, 8840580), (186, 7462210), (194, 7154490), (196, 7081485), (210, 6609386), (217, 6396180), (245, 5665188), (291, 4769660), (294, 4720990), (310, 4477326), (314, 4420290), (372, 3731105), (388, 3577245), (420, 3304693), (434, 3198090), (465, 2984884), (471, 2946860), (485, 2861796), (490, 2832594), (582, 2384830), (588, 2360495), (620, 2238663), (628, 2210145), (651, 2132060), (679, 2044140), (735, 1888396), (785, 1768116), (868, 1599045), (930, 1492442), (942, 1473430), (970, 1430898), (980, 1416297), (1085, 1279236), (1099, 1262940), (1164, 1192415), (1302, 1066030), (1358, 1022070), (1455, 953932), (1470, 944198), (1519, 913740), (1570, 884058), (1860, 746221), (1884, 736715), (1940, 715449), (2037, 681380), (2170, 639618), (2198, 631470), (2355, 589372), (2604, 533015), (2716, 511035), (2910, 476966), (2940, 472099), (3007, 461580), (3038, 456870), (3140, 442029), (3255, 426412), (3297, 420980), (3395, 408828), (4074, 340690), (4340, 319809), (4396, 315735), (4557, 304580), (4710, 294686), (4753, 292020), (4867, 285180), (5495, 252588), (5820, 238483), (6014, 230790), (6076, 228435), (6510, 213206), (6594, 210490), (6790, 204414), (7595, 182748), (7693, 180420), (8148, 170345), (9021, 153860), (9114, 152290), (9420, 147343), (9506, 146010), (9734, 142590), (10185, 136276), (10990, 126294), (12028, 115395), (13020, 106603), (13188, 105245), (13580, 102207), (14259, 97340), (14601, 95060), (15035, 92316), (15190, 91374), (15229, 91140), (15386, 90210), (16485, 84196), (18042, 76930), (18228, 76145), (19012, 73005), (19468, 71295), (20370, 68138), (21049, 65940), (21980, 63147), (22785, 60916), (23079, 60140), (23765, 58404), (24335, 57036), (28518, 48670), (29202, 47530), (30070, 46158), (30380, 45687), (30458, 45570), (30772, 45105), (32970, 42098), (34069, 40740), (36084, 38465)]