30942940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221021}}^1$

素因数の和:221037

約数の個数: 24

約数和(自身を含む): 74263392

約数和(自身を除く): 43320452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221021, 442042, 884084, 1105105, 1547147, 2210210, 3094294, 4420420, 6188588, 7735735, 15471470, 30942940]

約数ペア:

[(1, 30942940), (2, 15471470), (4, 7735735), (5, 6188588), (7, 4420420), (10, 3094294), (14, 2210210), (20, 1547147), (28, 1105105), (35, 884084), (70, 442042), (140, 221021)]