3721640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 9570960

約数和(自身を除く): 5849320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 421, 442, 520, 680, 842, 884, 1105, 1684, 1768, 2105, 2210, 3368, 4210, 4420, 5473, 7157, 8420, 8840, 10946, 14314, 16840, 21892, 27365, 28628, 35785, 43784, 54730, 57256, 71570, 93041, 109460, 143140, 186082, 218920, 286280, 372164, 465205, 744328, 930410, 1860820, 3721640]

約数ペア:

[(1, 3721640), (2, 1860820), (4, 930410), (5, 744328), (8, 465205), (10, 372164), (13, 286280), (17, 218920), (20, 186082), (26, 143140), (34, 109460), (40, 93041), (52, 71570), (65, 57256), (68, 54730), (85, 43784), (104, 35785), (130, 28628), (136, 27365), (170, 21892), (221, 16840), (260, 14314), (340, 10946), (421, 8840), (442, 8420), (520, 7157), (680, 5473), (842, 4420), (884, 4210), (1105, 3368), (1684, 2210), (1768, 2105)]