1796639660

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 3804192000

約数和(自身を除く): 2007552340

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 443, 796, 886, 995, 1019, 1772, 1990, 2038, 2215, 3980, 4076, 4430, 5095, 8860, 10190, 20380, 88157, 176314, 202781, 352628, 405562, 440785, 451417, 811124, 881570, 902834, 1013905, 1763140, 1805668, 2027810, 2257085, 4055620, 4514170, 9028340, 89831983, 179663966, 359327932, 449159915, 898319830, 1796639660]

約数ペア:

[(1, 1796639660), (2, 898319830), (4, 449159915), (5, 359327932), (10, 179663966), (20, 89831983), (199, 9028340), (398, 4514170), (443, 4055620), (796, 2257085), (886, 2027810), (995, 1805668), (1019, 1763140), (1772, 1013905), (1990, 902834), (2038, 881570), (2215, 811124), (3980, 451417), (4076, 440785), (4430, 405562), (5095, 352628), (8860, 202781), (10190, 176314), (20380, 88157)]