8840804780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1\times {\mathrm{4621}}^1$

素因数の和:4995

約数の個数: 72

約数和(自身を含む): 19785894576

約数和(自身を除く): 10945089796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 331, 340, 578, 662, 1156, 1324, 1445, 1655, 2890, 3310, 4621, 5627, 5780, 6620, 9242, 11254, 18484, 22508, 23105, 28135, 46210, 56270, 78557, 92420, 95659, 112540, 157114, 191318, 314228, 382636, 392785, 478295, 785570, 956590, 1335469, 1529551, 1571140, 1913180, 2670938, 3059102, 5341876, 6118204, 6677345, 7647755, 13354690, 15295510, 26002367, 26709380, 30591020, 52004734, 104009468, 130011835, 260023670, 442040239, 520047340, 884080478, 1768160956, 2210201195, 4420402390, 8840804780]

約数ペア:

[(1, 8840804780), (2, 4420402390), (4, 2210201195), (5, 1768160956), (10, 884080478), (17, 520047340), (20, 442040239), (34, 260023670), (68, 130011835), (85, 104009468), (170, 52004734), (289, 30591020), (331, 26709380), (340, 26002367), (578, 15295510), (662, 13354690), (1156, 7647755), (1324, 6677345), (1445, 6118204), (1655, 5341876), (2890, 3059102), (3310, 2670938), (4621, 1913180), (5627, 1571140), (5780, 1529551), (6620, 1335469), (9242, 956590), (11254, 785570), (18484, 478295), (22508, 392785), (23105, 382636), (28135, 314228), (46210, 191318), (56270, 157114), (78557, 112540), (92420, 95659)]