640278052

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{379}}^1\times {\mathrm{2797}}^1$

素因数の和:3331

約数の個数: 24

約数和(自身を含む): 1131287360

約数和(自身を除く): 491009308

約数列:

[1, 2, 4, 151, 302, 379, 604, 758, 1516, 2797, 5594, 11188, 57229, 114458, 228916, 422347, 844694, 1060063, 1689388, 2120126, 4240252, 160069513, 320139026, 640278052]

約数ペア:

[(1, 640278052), (2, 320139026), (4, 160069513), (151, 4240252), (302, 2120126), (379, 1689388), (604, 1060063), (758, 844694), (1516, 422347), (2797, 228916), (5594, 114458), (11188, 57229)]