318031642840

素因数分解:

$2^3\times 5^1\times {\mathrm{45631}}^1\times {\mathrm{174241}}^1$

素因数の和:219883

約数の個数: 32

約数和(自身を含む): 715590984960

約数和(自身を除く): 397559342120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45631, 91262, 174241, 182524, 228155, 348482, 365048, 456310, 696964, 871205, 912620, 1393928, 1742410, 1825240, 3484820, 6969640, 7950791071, 15901582142, 31803164284, 39753955355, 63606328568, 79507910710, 159015821420, 318031642840]

約数ペア:

[(1, 318031642840), (2, 159015821420), (4, 79507910710), (5, 63606328568), (8, 39753955355), (10, 31803164284), (20, 15901582142), (40, 7950791071), (45631, 6969640), (91262, 3484820), (174241, 1825240), (182524, 1742410), (228155, 1393928), (348482, 912620), (365048, 871205), (456310, 696964)]