1921293400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{56843}}^1$

素因数の和:56885

約数の個数: 72

約数和(自身を含む): 4837140180

約数和(自身を除く): 2915846780

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 325, 338, 520, 650, 676, 845, 1300, 1352, 1690, 2600, 3380, 4225, 6760, 8450, 16900, 33800, 56843, 113686, 227372, 284215, 454744, 568430, 738959, 1136860, 1421075, 1477918, 2273720, 2842150, 2955836, 3694795, 5684300, 5911672, 7389590, 9606467, 11368600, 14779180, 18473975, 19212934, 29558360, 36947950, 38425868, 48032335, 73895900, 76851736, 96064670, 147791800, 192129340, 240161675, 384258680, 480323350, 960646700, 1921293400]

約数ペア:

[(1, 1921293400), (2, 960646700), (4, 480323350), (5, 384258680), (8, 240161675), (10, 192129340), (13, 147791800), (20, 96064670), (25, 76851736), (26, 73895900), (40, 48032335), (50, 38425868), (52, 36947950), (65, 29558360), (100, 19212934), (104, 18473975), (130, 14779180), (169, 11368600), (200, 9606467), (260, 7389590), (325, 5911672), (338, 5684300), (520, 3694795), (650, 2955836), (676, 2842150), (845, 2273720), (1300, 1477918), (1352, 1421075), (1690, 1136860), (2600, 738959), (3380, 568430), (4225, 454744), (6760, 284215), (8450, 227372), (16900, 113686), (33800, 56843)]