398435510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{190639}}^1$

素因数の和:190676

約数の個数: 32

約数和(自身を含む): 823564800

約数和(自身を除く): 425129290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 190639, 381278, 953195, 1906390, 2097029, 3622141, 4194058, 7244282, 10485145, 18110705, 20970290, 36221410, 39843551, 79687102, 199217755, 398435510]

約数ペア:

[(1, 398435510), (2, 199217755), (5, 79687102), (10, 39843551), (11, 36221410), (19, 20970290), (22, 18110705), (38, 10485145), (55, 7244282), (95, 4194058), (110, 3622141), (190, 2097029), (209, 1906390), (418, 953195), (1045, 381278), (2090, 190639)]