56408420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 124588800

約数和(自身を除く): 68180380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 596, 745, 823, 1490, 1646, 2980, 3292, 3427, 4115, 6854, 8230, 13708, 16460, 17135, 18929, 34270, 37858, 68540, 75716, 94645, 122627, 189290, 245254, 378580, 490508, 613135, 1226270, 2452540, 2820421, 5640842, 11281684, 14102105, 28204210, 56408420]

約数ペア:

[(1, 56408420), (2, 28204210), (4, 14102105), (5, 11281684), (10, 5640842), (20, 2820421), (23, 2452540), (46, 1226270), (92, 613135), (115, 490508), (149, 378580), (230, 245254), (298, 189290), (460, 122627), (596, 94645), (745, 75716), (823, 68540), (1490, 37858), (1646, 34270), (2980, 18929), (3292, 17135), (3427, 16460), (4115, 13708), (6854, 8230)]