2863420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 6971328

約数和(自身を除く): 4107908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 181, 226, 362, 452, 565, 724, 791, 905, 1130, 1267, 1582, 1810, 2260, 2534, 3164, 3620, 3955, 5068, 6335, 7910, 12670, 15820, 20453, 25340, 40906, 81812, 102265, 143171, 204530, 286342, 409060, 572684, 715855, 1431710, 2863420]

約数ペア:

[(1, 2863420), (2, 1431710), (4, 715855), (5, 572684), (7, 409060), (10, 286342), (14, 204530), (20, 143171), (28, 102265), (35, 81812), (70, 40906), (113, 25340), (140, 20453), (181, 15820), (226, 12670), (362, 7910), (452, 6335), (565, 5068), (724, 3955), (791, 3620), (905, 3164), (1130, 2534), (1267, 2260), (1582, 1810)]