769640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 1762560

約数和(自身を除く): 992920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 271, 284, 355, 542, 568, 710, 1084, 1355, 1420, 2168, 2710, 2840, 5420, 10840, 19241, 38482, 76964, 96205, 153928, 192410, 384820, 769640]

約数ペア:

[(1, 769640), (2, 384820), (4, 192410), (5, 153928), (8, 96205), (10, 76964), (20, 38482), (40, 19241), (71, 10840), (142, 5420), (271, 2840), (284, 2710), (355, 2168), (542, 1420), (568, 1355), (710, 1084)]