291120880

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{11701}}^1$

素因数の和:12025

約数の個数: 40

約数和(自身を含む): 679090464

約数和(自身を除く): 387969584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 11701, 12440, 23402, 24880, 46804, 58505, 93608, 117010, 187216, 234020, 468040, 936080, 3639011, 7278022, 14556044, 18195055, 29112088, 36390110, 58224176, 72780220, 145560440, 291120880]

約数ペア:

[(1, 291120880), (2, 145560440), (4, 72780220), (5, 58224176), (8, 36390110), (10, 29112088), (16, 18195055), (20, 14556044), (40, 7278022), (80, 3639011), (311, 936080), (622, 468040), (1244, 234020), (1555, 187216), (2488, 117010), (3110, 93608), (4976, 58505), (6220, 46804), (11701, 24880), (12440, 23402)]