290807920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14717}}^1$

素因数の和:14762

約数の個数: 80

約数和(自身を含む): 766513440

約数和(自身を除く): 475705520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 14717, 19760, 29434, 58868, 73585, 117736, 147170, 191321, 235472, 279623, 294340, 382642, 559246, 588680, 765284, 956605, 1118492, 1177360, 1398115, 1530568, 1913210, 2236984, 2796230, 3061136, 3635099, 3826420, 4473968, 5592460, 7270198, 7652840, 11184920, 14540396, 15305680, 18175495, 22369840, 29080792, 36350990, 58161584, 72701980, 145403960, 290807920]

約数ペア:

[(1, 290807920), (2, 145403960), (4, 72701980), (5, 58161584), (8, 36350990), (10, 29080792), (13, 22369840), (16, 18175495), (19, 15305680), (20, 14540396), (26, 11184920), (38, 7652840), (40, 7270198), (52, 5592460), (65, 4473968), (76, 3826420), (80, 3635099), (95, 3061136), (104, 2796230), (130, 2236984), (152, 1913210), (190, 1530568), (208, 1398115), (247, 1177360), (260, 1118492), (304, 956605), (380, 765284), (494, 588680), (520, 559246), (760, 382642), (988, 294340), (1040, 279623), (1235, 235472), (1520, 191321), (1976, 147170), (2470, 117736), (3952, 73585), (4940, 58868), (9880, 29434), (14717, 19760)]