30228940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215921}}^1$

素因数の和:215937

約数の個数: 24

約数和(自身を含む): 72549792

約数和(自身を除く): 42320852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215921, 431842, 863684, 1079605, 1511447, 2159210, 3022894, 4318420, 6045788, 7557235, 15114470, 30228940]

約数ペア:

[(1, 30228940), (2, 15114470), (4, 7557235), (5, 6045788), (7, 4318420), (10, 3022894), (14, 2159210), (20, 1511447), (28, 1079605), (35, 863684), (70, 431842), (140, 215921)]