1285228730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1279}}^1$

素因数の和:1583

約数の個数: 64

約数和(自身を含む): 2567946240

約数和(自身を除く): 1282717510

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 257, 391, 514, 782, 1279, 1285, 1955, 2558, 2570, 3910, 4369, 5911, 6395, 8738, 11822, 12790, 21743, 21845, 29417, 29555, 43486, 43690, 58834, 59110, 100487, 108715, 147085, 200974, 217430, 294170, 328703, 500089, 502435, 657406, 1000178, 1004870, 1643515, 2500445, 3287030, 5000890, 5587951, 7560169, 11175902, 15120338, 27939755, 37800845, 55879510, 75601690, 128522873, 257045746, 642614365, 1285228730]

約数ペア:

[(1, 1285228730), (2, 642614365), (5, 257045746), (10, 128522873), (17, 75601690), (23, 55879510), (34, 37800845), (46, 27939755), (85, 15120338), (115, 11175902), (170, 7560169), (230, 5587951), (257, 5000890), (391, 3287030), (514, 2500445), (782, 1643515), (1279, 1004870), (1285, 1000178), (1955, 657406), (2558, 502435), (2570, 500089), (3910, 328703), (4369, 294170), (5911, 217430), (6395, 200974), (8738, 147085), (11822, 108715), (12790, 100487), (21743, 59110), (21845, 58834), (29417, 43690), (29555, 43486)]