122852840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{279211}}^1$

素因数の和:279233

約数の個数: 32

約数和(自身を含む): 301548960

約数和(自身を除く): 178696120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 279211, 558422, 1116844, 1396055, 2233688, 2792110, 3071321, 5584220, 6142642, 11168440, 12285284, 15356605, 24570568, 30713210, 61426420, 122852840]

約数ペア:

[(1, 122852840), (2, 61426420), (4, 30713210), (5, 24570568), (8, 15356605), (10, 12285284), (11, 11168440), (20, 6142642), (22, 5584220), (40, 3071321), (44, 2792110), (55, 2233688), (88, 1396055), (110, 1116844), (220, 558422), (440, 279211)]