8418980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 18794496

約数和(自身を除く): 10375516

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 367, 370, 620, 734, 740, 1147, 1468, 1835, 2294, 3670, 4588, 5735, 7340, 11377, 11470, 13579, 22754, 22940, 27158, 45508, 54316, 56885, 67895, 113770, 135790, 227540, 271580, 420949, 841898, 1683796, 2104745, 4209490, 8418980]

約数ペア:

[(1, 8418980), (2, 4209490), (4, 2104745), (5, 1683796), (10, 841898), (20, 420949), (31, 271580), (37, 227540), (62, 135790), (74, 113770), (124, 67895), (148, 56885), (155, 54316), (185, 45508), (310, 27158), (367, 22940), (370, 22754), (620, 13579), (734, 11470), (740, 11377), (1147, 7340), (1468, 5735), (1835, 4588), (2294, 3670)]