30658460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218989}}^1$

素因数の和:219005

約数の個数: 24

約数和(自身を含む): 73580640

約数和(自身を除く): 42922180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218989, 437978, 875956, 1094945, 1532923, 2189890, 3065846, 4379780, 6131692, 7664615, 15329230, 30658460]

約数ペア:

[(1, 30658460), (2, 15329230), (4, 7664615), (5, 6131692), (7, 4379780), (10, 3065846), (14, 2189890), (20, 1532923), (28, 1094945), (35, 875956), (70, 437978), (140, 218989)]