981125680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{422899}}^1$

素因数の和:422941

約数の個数: 40

約数和(自身を含む): 2359782000

約数和(自身を除く): 1378656320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 422899, 845798, 1691596, 2114495, 3383192, 4228990, 6766384, 8457980, 12264071, 16915960, 24528142, 33831920, 49056284, 61320355, 98112568, 122640710, 196225136, 245281420, 490562840, 981125680]

約数ペア:

[(1, 981125680), (2, 490562840), (4, 245281420), (5, 196225136), (8, 122640710), (10, 98112568), (16, 61320355), (20, 49056284), (29, 33831920), (40, 24528142), (58, 16915960), (80, 12264071), (116, 8457980), (145, 6766384), (232, 4228990), (290, 3383192), (464, 2114495), (580, 1691596), (1160, 845798), (2320, 422899)]