77922020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8237}}^1$

素因数の和:8300

約数の個数: 48

約数和(自身を含む): 182685888

約数和(自身を除く): 104763868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8237, 9460, 16474, 32948, 41185, 82370, 90607, 164740, 181214, 354191, 362428, 453035, 708382, 906070, 1416764, 1770955, 1812140, 3541910, 3896101, 7083820, 7792202, 15584404, 19480505, 38961010, 77922020]

約数ペア:

[(1, 77922020), (2, 38961010), (4, 19480505), (5, 15584404), (10, 7792202), (11, 7083820), (20, 3896101), (22, 3541910), (43, 1812140), (44, 1770955), (55, 1416764), (86, 906070), (110, 708382), (172, 453035), (215, 362428), (220, 354191), (430, 181214), (473, 164740), (860, 90607), (946, 82370), (1892, 41185), (2365, 32948), (4730, 16474), (8237, 9460)]