2708780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 6241536

約数和(自身を除く): 3532756

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 257, 310, 340, 514, 527, 620, 1028, 1054, 1285, 2108, 2570, 2635, 4369, 5140, 5270, 7967, 8738, 10540, 15934, 17476, 21845, 31868, 39835, 43690, 79670, 87380, 135439, 159340, 270878, 541756, 677195, 1354390, 2708780]

約数ペア:

[(1, 2708780), (2, 1354390), (4, 677195), (5, 541756), (10, 270878), (17, 159340), (20, 135439), (31, 87380), (34, 79670), (62, 43690), (68, 39835), (85, 31868), (124, 21845), (155, 17476), (170, 15934), (257, 10540), (310, 8738), (340, 7967), (514, 5270), (527, 5140), (620, 4369), (1028, 2635), (1054, 2570), (1285, 2108)]