7789788280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11455571}}^1$

素因数の和:11455599

約数の個数: 32

約数和(自身を含む): 18558026640

約数和(自身を除く): 10768238360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11455571, 22911142, 45822284, 57277855, 91644568, 114555710, 194744707, 229111420, 389489414, 458222840, 778978828, 973723535, 1557957656, 1947447070, 3894894140, 7789788280]

約数ペア:

[(1, 7789788280), (2, 3894894140), (4, 1947447070), (5, 1557957656), (8, 973723535), (10, 778978828), (17, 458222840), (20, 389489414), (34, 229111420), (40, 194744707), (68, 114555710), (85, 91644568), (136, 57277855), (170, 45822284), (340, 22911142), (680, 11455571)]