313639640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{270379}}^1$

素因数の和:270419

約数の個数: 32

約数和(自身を含む): 730026000

約数和(自身を除く): 416386360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 270379, 540758, 1081516, 1351895, 2163032, 2703790, 5407580, 7840991, 10815160, 15681982, 31363964, 39204955, 62727928, 78409910, 156819820, 313639640]

約数ペア:

[(1, 313639640), (2, 156819820), (4, 78409910), (5, 62727928), (8, 39204955), (10, 31363964), (20, 15681982), (29, 10815160), (40, 7840991), (58, 5407580), (116, 2703790), (145, 2163032), (232, 1351895), (290, 1081516), (580, 540758), (1160, 270379)]