726280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 1664640

約数和(自身を除く): 938360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 271, 335, 536, 542, 670, 1084, 1340, 1355, 2168, 2680, 2710, 5420, 10840, 18157, 36314, 72628, 90785, 145256, 181570, 363140, 726280]

約数ペア:

[(1, 726280), (2, 363140), (4, 181570), (5, 145256), (8, 90785), (10, 72628), (20, 36314), (40, 18157), (67, 10840), (134, 5420), (268, 2710), (271, 2680), (335, 2168), (536, 1355), (542, 1340), (670, 1084)]