7400920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3491}}^1$

素因数の和:3555

約数の個数: 32

約数和(自身を含む): 16971120

約数和(自身を除く): 9570200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3491, 6982, 13964, 17455, 27928, 34910, 69820, 139640, 185023, 370046, 740092, 925115, 1480184, 1850230, 3700460, 7400920]

約数ペア:

[(1, 7400920), (2, 3700460), (4, 1850230), (5, 1480184), (8, 925115), (10, 740092), (20, 370046), (40, 185023), (53, 139640), (106, 69820), (212, 34910), (265, 27928), (424, 17455), (530, 13964), (1060, 6982), (2120, 3491)]