419760940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{72623}}^1$

素因数の和:72666

約数の個数: 36

約数和(自身を含む): 936413856

約数和(自身を除く): 516652916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 72623, 145246, 290492, 363115, 726230, 1234591, 1452460, 2469182, 4938364, 6172955, 12345910, 20988047, 24691820, 41976094, 83952188, 104940235, 209880470, 419760940]

約数ペア:

[(1, 419760940), (2, 209880470), (4, 104940235), (5, 83952188), (10, 41976094), (17, 24691820), (20, 20988047), (34, 12345910), (68, 6172955), (85, 4938364), (170, 2469182), (289, 1452460), (340, 1234591), (578, 726230), (1156, 363115), (1445, 290492), (2890, 145246), (5780, 72623)]