123078940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{44273}}^1$

素因数の和:44421

約数の個数: 24

約数和(自身を含む): 260331120

約数和(自身を除く): 137252180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 44273, 88546, 177092, 221365, 442730, 885460, 6153947, 12307894, 24615788, 30769735, 61539470, 123078940]

約数ペア:

[(1, 123078940), (2, 61539470), (4, 30769735), (5, 24615788), (10, 12307894), (20, 6153947), (139, 885460), (278, 442730), (556, 221365), (695, 177092), (1390, 88546), (2780, 44273)]