38462840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 104328000

約数和(自身を除く): 65865160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 229, 247, 260, 323, 340, 380, 442, 458, 494, 520, 646, 680, 760, 884, 916, 988, 1105, 1145, 1235, 1292, 1615, 1768, 1832, 1976, 2210, 2290, 2470, 2584, 2977, 3230, 3893, 4199, 4351, 4420, 4580, 4940, 5954, 6460, 7786, 8398, 8702, 8840, 9160, 9880, 11908, 12920, 14885, 15572, 16796, 17404, 19465, 20995, 21755, 23816, 29770, 31144, 33592, 34808, 38930, 41990, 43510, 50609, 56563, 59540, 73967, 77860, 83980, 87020, 101218, 113126, 119080, 147934, 155720, 167960, 174040, 202436, 226252, 253045, 282815, 295868, 369835, 404872, 452504, 506090, 565630, 591736, 739670, 961571, 1012180, 1131260, 1479340, 1923142, 2024360, 2262520, 2958680, 3846284, 4807855, 7692568, 9615710, 19231420, 38462840]

約数ペア:

[(1, 38462840), (2, 19231420), (4, 9615710), (5, 7692568), (8, 4807855), (10, 3846284), (13, 2958680), (17, 2262520), (19, 2024360), (20, 1923142), (26, 1479340), (34, 1131260), (38, 1012180), (40, 961571), (52, 739670), (65, 591736), (68, 565630), (76, 506090), (85, 452504), (95, 404872), (104, 369835), (130, 295868), (136, 282815), (152, 253045), (170, 226252), (190, 202436), (221, 174040), (229, 167960), (247, 155720), (260, 147934), (323, 119080), (340, 113126), (380, 101218), (442, 87020), (458, 83980), (494, 77860), (520, 73967), (646, 59540), (680, 56563), (760, 50609), (884, 43510), (916, 41990), (988, 38930), (1105, 34808), (1145, 33592), (1235, 31144), (1292, 29770), (1615, 23816), (1768, 21755), (1832, 20995), (1976, 19465), (2210, 17404), (2290, 16796), (2470, 15572), (2584, 14885), (2977, 12920), (3230, 11908), (3893, 9880), (4199, 9160), (4351, 8840), (4420, 8702), (4580, 8398), (4940, 7786), (5954, 6460)]