291201980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{766321}}^1$

素因数の和:766349

約数の個数: 24

約数和(自身を含む): 643710480

約数和(自身を除く): 352508500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 766321, 1532642, 3065284, 3831605, 7663210, 14560099, 15326420, 29120198, 58240396, 72800495, 145600990, 291201980]

約数ペア:

[(1, 291201980), (2, 145600990), (4, 72800495), (5, 58240396), (10, 29120198), (19, 15326420), (20, 14560099), (38, 7663210), (76, 3831605), (95, 3065284), (190, 1532642), (380, 766321)]