408038980

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{53831}}^1$

素因数の和:54219

約数の個数: 24

約数和(自身を含む): 859158720

約数和(自身を除く): 451119740

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 53831, 107662, 215324, 269155, 538310, 1076620, 20401949, 40803898, 81607796, 102009745, 204019490, 408038980]

約数ペア:

[(1, 408038980), (2, 204019490), (4, 102009745), (5, 81607796), (10, 40803898), (20, 20401949), (379, 1076620), (758, 538310), (1516, 269155), (1895, 215324), (3790, 107662), (7580, 53831)]