491780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 1051008

約数和(自身を除く): 559228

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 367, 670, 734, 1340, 1468, 1835, 3670, 7340, 24589, 49178, 98356, 122945, 245890, 491780]

約数ペア:

[(1, 491780), (2, 245890), (4, 122945), (5, 98356), (10, 49178), (20, 24589), (67, 7340), (134, 3670), (268, 1835), (335, 1468), (367, 1340), (670, 734)]