378959770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{10391}}^1$

素因数の和:10926

約数の個数: 32

約数和(自身を含む): 781145856

約数和(自身を除く): 402186086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 2605, 3647, 5210, 7294, 10391, 18235, 20782, 36470, 51955, 72737, 103910, 145474, 363685, 727370, 5413711, 10827422, 27068555, 37895977, 54137110, 75791954, 189479885, 378959770]

約数ペア:

[(1, 378959770), (2, 189479885), (5, 75791954), (7, 54137110), (10, 37895977), (14, 27068555), (35, 10827422), (70, 5413711), (521, 727370), (1042, 363685), (2605, 145474), (3647, 103910), (5210, 72737), (7294, 51955), (10391, 36470), (18235, 20782)]