223822820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2213}}^1$

素因数の和:2624

約数の個数: 48

約数和(自身を含む): 507714480

約数和(自身を除く): 283891660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 2213, 3890, 4426, 5057, 7780, 8852, 10114, 11065, 20228, 22130, 25285, 28769, 44260, 50570, 57538, 101140, 115076, 143845, 287690, 575380, 860857, 1721714, 3443428, 4304285, 8608570, 11191141, 17217140, 22382282, 44764564, 55955705, 111911410, 223822820]

約数ペア:

[(1, 223822820), (2, 111911410), (4, 55955705), (5, 44764564), (10, 22382282), (13, 17217140), (20, 11191141), (26, 8608570), (52, 4304285), (65, 3443428), (130, 1721714), (260, 860857), (389, 575380), (778, 287690), (1556, 143845), (1945, 115076), (2213, 101140), (3890, 57538), (4426, 50570), (5057, 44260), (7780, 28769), (8852, 25285), (10114, 22130), (11065, 20228)]