857301.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 12257280

約数和(自身を除く): 6722540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 113, 124, 155, 158, 226, 310, 316, 395, 452, 565, 620, 790, 1130, 1580, 2260, 2449, 3503, 4898, 7006, 8927, 9796, 12245, 14012, 17515, 17854, 24490, 35030, 35708, 44635, 48980, 70060, 89270, 178540, 276737, 553474, 1106948, 1383685, 2767370, 5534740]

約数ペア:

[(1, 5534740), (2, 2767370), (4, 1383685), (5, 1106948), (10, 553474), (20, 276737), (31, 178540), (62, 89270), (79, 70060), (113, 48980), (124, 44635), (155, 35708), (158, 35030), (226, 24490), (310, 17854), (316, 17515), (395, 14012), (452, 12245), (565, 9796), (620, 8927), (790, 7006), (1130, 4898), (1580, 3503), (2260, 2449)]