408028840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{351749}}^1$

素因数の和:351789

約数の個数: 32

約数和(自身を含む): 949725000

約数和(自身を除く): 541696160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 351749, 703498, 1406996, 1758745, 2813992, 3517490, 7034980, 10200721, 14069960, 20401442, 40802884, 51003605, 81605768, 102007210, 204014420, 408028840]

約数ペア:

[(1, 408028840), (2, 204014420), (4, 102007210), (5, 81605768), (8, 51003605), (10, 40802884), (20, 20401442), (29, 14069960), (40, 10200721), (58, 7034980), (116, 3517490), (145, 2813992), (232, 1758745), (290, 1406996), (580, 703498), (1160, 351749)]