7187020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 15811488

約数和(自身を除く): 8624468

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 137, 172, 215, 244, 274, 305, 430, 548, 610, 685, 860, 1220, 1370, 2623, 2740, 5246, 5891, 8357, 10492, 11782, 13115, 16714, 23564, 26230, 29455, 33428, 41785, 52460, 58910, 83570, 117820, 167140, 359351, 718702, 1437404, 1796755, 3593510, 7187020]

約数ペア:

[(1, 7187020), (2, 3593510), (4, 1796755), (5, 1437404), (10, 718702), (20, 359351), (43, 167140), (61, 117820), (86, 83570), (122, 58910), (137, 52460), (172, 41785), (215, 33428), (244, 29455), (274, 26230), (305, 23564), (430, 16714), (548, 13115), (610, 11782), (685, 10492), (860, 8357), (1220, 5891), (1370, 5246), (2623, 2740)]