243463240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{19571}}^1$

素因数の和:19893

約数の個数: 32

約数和(自身を含む): 549581760

約数和(自身を除く): 306118520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 19571, 39142, 78284, 97855, 156568, 195710, 391420, 782840, 6086581, 12173162, 24346324, 30432905, 48692648, 60865810, 121731620, 243463240]

約数ペア:

[(1, 243463240), (2, 121731620), (4, 60865810), (5, 48692648), (8, 30432905), (10, 24346324), (20, 12173162), (40, 6086581), (311, 782840), (622, 391420), (1244, 195710), (1555, 156568), (2488, 97855), (3110, 78284), (6220, 39142), (12440, 19571)]