308371960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1709}}^1$

素因数の和:2080

約数の個数: 64

約数和(自身を含む): 749800800

約数和(自身を除く): 441428840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 520, 694, 1388, 1709, 1735, 2776, 3418, 3470, 4511, 6836, 6940, 8545, 9022, 13672, 13880, 17090, 18044, 22217, 22555, 34180, 36088, 44434, 45110, 68360, 88868, 90220, 111085, 177736, 180440, 222170, 444340, 593023, 888680, 1186046, 2372092, 2965115, 4744184, 5930230, 7709299, 11860460, 15418598, 23720920, 30837196, 38546495, 61674392, 77092990, 154185980, 308371960]

約数ペア:

[(1, 308371960), (2, 154185980), (4, 77092990), (5, 61674392), (8, 38546495), (10, 30837196), (13, 23720920), (20, 15418598), (26, 11860460), (40, 7709299), (52, 5930230), (65, 4744184), (104, 2965115), (130, 2372092), (260, 1186046), (347, 888680), (520, 593023), (694, 444340), (1388, 222170), (1709, 180440), (1735, 177736), (2776, 111085), (3418, 90220), (3470, 88868), (4511, 68360), (6836, 45110), (6940, 44434), (8545, 36088), (9022, 34180), (13672, 22555), (13880, 22217), (17090, 18044)]