387500820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1043

約数の個数: 192

約数和(自身を含む): 1333248000

約数和(自身を除く): 945747180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 490, 532, 570, 588, 665, 686, 735, 798, 931, 980, 991, 1029, 1140, 1330, 1372, 1470, 1596, 1715, 1862, 1982, 1995, 2058, 2660, 2793, 2940, 2973, 3430, 3724, 3964, 3990, 4116, 4655, 4955, 5145, 5586, 5946, 6517, 6860, 6937, 7980, 9310, 9910, 10290, 11172, 11892, 13034, 13874, 13965, 14865, 18620, 18829, 19551, 19820, 20580, 20811, 26068, 27748, 27930, 29730, 32585, 34685, 37658, 39102, 41622, 48559, 55860, 56487, 59460, 65170, 69370, 75316, 78204, 83244, 94145, 97118, 97755, 104055, 112974, 130340, 131803, 138740, 145677, 188290, 194236, 195510, 208110, 225948, 242795, 263606, 282435, 291354, 339913, 376580, 391020, 395409, 416220, 485590, 527212, 564870, 582708, 659015, 679826, 728385, 790818, 922621, 971180, 1019739, 1129740, 1318030, 1359652, 1456770, 1581636, 1699565, 1845242, 1977045, 2039478, 2636060, 2767863, 2913540, 3399130, 3690484, 3954090, 4078956, 4613105, 5098695, 5535726, 6458347, 6798260, 7908180, 9226210, 10197390, 11071452, 12916694, 13839315, 18452420, 19375041, 20394780, 25833388, 27678630, 32291735, 38750082, 55357260, 64583470, 77500164, 96875205, 129166940, 193750410, 387500820]

約数ペア:

[(1, 387500820), (2, 193750410), (3, 129166940), (4, 96875205), (5, 77500164), (6, 64583470), (7, 55357260), (10, 38750082), (12, 32291735), (14, 27678630), (15, 25833388), (19, 20394780), (20, 19375041), (21, 18452420), (28, 13839315), (30, 12916694), (35, 11071452), (38, 10197390), (42, 9226210), (49, 7908180), (57, 6798260), (60, 6458347), (70, 5535726), (76, 5098695), (84, 4613105), (95, 4078956), (98, 3954090), (105, 3690484), (114, 3399130), (133, 2913540), (140, 2767863), (147, 2636060), (190, 2039478), (196, 1977045), (210, 1845242), (228, 1699565), (245, 1581636), (266, 1456770), (285, 1359652), (294, 1318030), (343, 1129740), (380, 1019739), (399, 971180), (420, 922621), (490, 790818), (532, 728385), (570, 679826), (588, 659015), (665, 582708), (686, 564870), (735, 527212), (798, 485590), (931, 416220), (980, 395409), (991, 391020), (1029, 376580), (1140, 339913), (1330, 291354), (1372, 282435), (1470, 263606), (1596, 242795), (1715, 225948), (1862, 208110), (1982, 195510), (1995, 194236), (2058, 188290), (2660, 145677), (2793, 138740), (2940, 131803), (2973, 130340), (3430, 112974), (3724, 104055), (3964, 97755), (3990, 97118), (4116, 94145), (4655, 83244), (4955, 78204), (5145, 75316), (5586, 69370), (5946, 65170), (6517, 59460), (6860, 56487), (6937, 55860), (7980, 48559), (9310, 41622), (9910, 39102), (10290, 37658), (11172, 34685), (11892, 32585), (13034, 29730), (13874, 27930), (13965, 27748), (14865, 26068), (18620, 20811), (18829, 20580), (19551, 19820)]