128103620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 277652928

約数和(自身を除く): 149549308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 331, 370, 523, 662, 740, 1046, 1324, 1655, 2092, 2615, 3310, 5230, 6620, 10460, 12247, 19351, 24494, 38702, 48988, 61235, 77404, 96755, 122470, 173113, 193510, 244940, 346226, 387020, 692452, 865565, 1731130, 3462260, 6405181, 12810362, 25620724, 32025905, 64051810, 128103620]

約数ペア:

[(1, 128103620), (2, 64051810), (4, 32025905), (5, 25620724), (10, 12810362), (20, 6405181), (37, 3462260), (74, 1731130), (148, 865565), (185, 692452), (331, 387020), (370, 346226), (523, 244940), (662, 193510), (740, 173113), (1046, 122470), (1324, 96755), (1655, 77404), (2092, 61235), (2615, 48988), (3310, 38702), (5230, 24494), (6620, 19351), (10460, 12247)]