308485840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{22817}}^1$

素因数の和:22856

約数の個数: 60

約数和(自身を含む): 776679084

約数和(自身を除く): 468193244

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 22817, 45634, 91268, 114085, 182536, 228170, 296621, 365072, 456340, 593242, 912680, 1186484, 1483105, 1825360, 2372968, 2966210, 3856073, 4745936, 5932420, 7712146, 11864840, 15424292, 19280365, 23729680, 30848584, 38560730, 61697168, 77121460, 154242920, 308485840]

約数ペア:

[(1, 308485840), (2, 154242920), (4, 77121460), (5, 61697168), (8, 38560730), (10, 30848584), (13, 23729680), (16, 19280365), (20, 15424292), (26, 11864840), (40, 7712146), (52, 5932420), (65, 4745936), (80, 3856073), (104, 2966210), (130, 2372968), (169, 1825360), (208, 1483105), (260, 1186484), (338, 912680), (520, 593242), (676, 456340), (845, 365072), (1040, 296621), (1352, 228170), (1690, 182536), (2704, 114085), (3380, 91268), (6760, 45634), (13520, 22817)]