4445420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 10801728

約数和(自身を除く): 6356308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 281, 452, 562, 565, 791, 1124, 1130, 1405, 1582, 1967, 2260, 2810, 3164, 3934, 3955, 5620, 7868, 7910, 9835, 15820, 19670, 31753, 39340, 63506, 127012, 158765, 222271, 317530, 444542, 635060, 889084, 1111355, 2222710, 4445420]

約数ペア:

[(1, 4445420), (2, 2222710), (4, 1111355), (5, 889084), (7, 635060), (10, 444542), (14, 317530), (20, 222271), (28, 158765), (35, 127012), (70, 63506), (113, 39340), (140, 31753), (226, 19670), (281, 15820), (452, 9835), (562, 7910), (565, 7868), (791, 5620), (1124, 3955), (1130, 3934), (1405, 3164), (1582, 2810), (1967, 2260)]