30389660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217069}}^1$

素因数の和:217085

約数の個数: 24

約数和(自身を含む): 72935520

約数和(自身を除く): 42545860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217069, 434138, 868276, 1085345, 1519483, 2170690, 3038966, 4341380, 6077932, 7597415, 15194830, 30389660]

約数ペア:

[(1, 30389660), (2, 15194830), (4, 7597415), (5, 6077932), (7, 4341380), (10, 3038966), (14, 2170690), (20, 1519483), (28, 1085345), (35, 868276), (70, 434138), (140, 217069)]