557068840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2687}}^1$

素因数の和:2842

約数の個数: 64

約数和(自身を含む): 1288949760

約数和(自身を除く): 731880920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1420, 1460, 2687, 2840, 2920, 5183, 5374, 10366, 10748, 13435, 20732, 21496, 25915, 26870, 41464, 51830, 53740, 103660, 107480, 190777, 196151, 207320, 381554, 392302, 763108, 784604, 953885, 980755, 1526216, 1569208, 1907770, 1961510, 3815540, 3923020, 7631080, 7846040, 13926721, 27853442, 55706884, 69633605, 111413768, 139267210, 278534420, 557068840]

約数ペア:

[(1, 557068840), (2, 278534420), (4, 139267210), (5, 111413768), (8, 69633605), (10, 55706884), (20, 27853442), (40, 13926721), (71, 7846040), (73, 7631080), (142, 3923020), (146, 3815540), (284, 1961510), (292, 1907770), (355, 1569208), (365, 1526216), (568, 980755), (584, 953885), (710, 784604), (730, 763108), (1420, 392302), (1460, 381554), (2687, 207320), (2840, 196151), (2920, 190777), (5183, 107480), (5374, 103660), (10366, 53740), (10748, 51830), (13435, 41464), (20732, 26870), (21496, 25915)]