279339980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{44623}}^1$

素因数の和:44945

約数の個数: 24

約数和(自身を含む): 588501312

約数和(自身を除く): 309161332

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 44623, 89246, 178492, 223115, 446230, 892460, 13966999, 27933998, 55867996, 69834995, 139669990, 279339980]

約数ペア:

[(1, 279339980), (2, 139669990), (4, 69834995), (5, 55867996), (10, 27933998), (20, 13966999), (313, 892460), (626, 446230), (1252, 223115), (1565, 178492), (3130, 89246), (6260, 44623)]