278345298820

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{24986113}}^1$

素因数の和:24986679

約数の個数: 24

約数和(自身を含む): 585574567704

約数和(自身を除く): 307229268884

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 24986113, 49972226, 99944452, 124930565, 249861130, 499722260, 13917264941, 27834529882, 55669059764, 69586324705, 139172649410, 278345298820]

約数ペア:

[(1, 278345298820), (2, 139172649410), (4, 69586324705), (5, 55669059764), (10, 27834529882), (20, 13917264941), (557, 499722260), (1114, 249861130), (2228, 124930565), (2785, 99944452), (5570, 49972226), (11140, 24986113)]