213538180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{150379}}^1$

素因数の和:150459

約数の個数: 24

約数和(自身を含む): 454749120

約数和(自身を除く): 241210940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 150379, 300758, 601516, 751895, 1503790, 3007580, 10676909, 21353818, 42707636, 53384545, 106769090, 213538180]

約数ペア:

[(1, 213538180), (2, 106769090), (4, 53384545), (5, 42707636), (10, 21353818), (20, 10676909), (71, 3007580), (142, 1503790), (284, 751895), (355, 601516), (710, 300758), (1420, 150379)]