198281580

素因数分解:

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

素因数の和:304

約数の個数: 192

約数和(自身を含む): 665935872

約数和(自身を除く): 467654292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 97, 105, 124, 140, 155, 157, 186, 194, 210, 217, 291, 310, 314, 372, 388, 420, 434, 465, 471, 485, 582, 620, 628, 651, 679, 785, 868, 930, 942, 970, 1085, 1099, 1164, 1302, 1358, 1455, 1570, 1860, 1884, 1940, 2037, 2170, 2198, 2355, 2604, 2716, 2910, 3007, 3140, 3255, 3297, 3395, 4074, 4340, 4396, 4710, 4867, 5495, 5820, 6014, 6510, 6594, 6790, 8148, 9021, 9420, 9734, 10185, 10990, 12028, 13020, 13188, 13580, 14601, 15035, 15229, 16485, 18042, 19468, 20370, 21049, 21980, 24335, 29202, 30070, 30458, 32970, 34069, 36084, 40740, 42098, 45105, 45687, 48670, 58404, 60140, 60916, 63147, 65940, 68138, 73005, 76145, 84196, 90210, 91374, 97340, 102207, 105245, 106603, 126294, 136276, 146010, 152290, 170345, 180420, 182748, 204414, 210490, 213206, 228435, 252588, 292020, 304580, 315735, 319809, 340690, 408828, 420980, 426412, 456870, 472099, 511035, 533015, 631470, 639618, 681380, 913740, 944198, 1022070, 1066030, 1262940, 1279236, 1416297, 1599045, 1888396, 2044140, 2132060, 2360495, 2832594, 3198090, 3304693, 4720990, 5665188, 6396180, 6609386, 7081485, 9441980, 9914079, 13218772, 14162970, 16523465, 19828158, 28325940, 33046930, 39656316, 49570395, 66093860, 99140790, 198281580]

約数ペア:

[(1, 198281580), (2, 99140790), (3, 66093860), (4, 49570395), (5, 39656316), (6, 33046930), (7, 28325940), (10, 19828158), (12, 16523465), (14, 14162970), (15, 13218772), (20, 9914079), (21, 9441980), (28, 7081485), (30, 6609386), (31, 6396180), (35, 5665188), (42, 4720990), (60, 3304693), (62, 3198090), (70, 2832594), (84, 2360495), (93, 2132060), (97, 2044140), (105, 1888396), (124, 1599045), (140, 1416297), (155, 1279236), (157, 1262940), (186, 1066030), (194, 1022070), (210, 944198), (217, 913740), (291, 681380), (310, 639618), (314, 631470), (372, 533015), (388, 511035), (420, 472099), (434, 456870), (465, 426412), (471, 420980), (485, 408828), (582, 340690), (620, 319809), (628, 315735), (651, 304580), (679, 292020), (785, 252588), (868, 228435), (930, 213206), (942, 210490), (970, 204414), (1085, 182748), (1099, 180420), (1164, 170345), (1302, 152290), (1358, 146010), (1455, 136276), (1570, 126294), (1860, 106603), (1884, 105245), (1940, 102207), (2037, 97340), (2170, 91374), (2198, 90210), (2355, 84196), (2604, 76145), (2716, 73005), (2910, 68138), (3007, 65940), (3140, 63147), (3255, 60916), (3297, 60140), (3395, 58404), (4074, 48670), (4340, 45687), (4396, 45105), (4710, 42098), (4867, 40740), (5495, 36084), (5820, 34069), (6014, 32970), (6510, 30458), (6594, 30070), (6790, 29202), (8148, 24335), (9021, 21980), (9420, 21049), (9734, 20370), (10185, 19468), (10990, 18042), (12028, 16485), (13020, 15229), (13188, 15035), (13580, 14601)]