2831780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 4062940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 179, 226, 358, 452, 565, 716, 791, 895, 1130, 1253, 1582, 1790, 2260, 2506, 3164, 3580, 3955, 5012, 6265, 7910, 12530, 15820, 20227, 25060, 40454, 80908, 101135, 141589, 202270, 283178, 404540, 566356, 707945, 1415890, 2831780]

約数ペア:

[(1, 2831780), (2, 1415890), (4, 707945), (5, 566356), (7, 404540), (10, 283178), (14, 202270), (20, 141589), (28, 101135), (35, 80908), (70, 40454), (113, 25060), (140, 20227), (179, 15820), (226, 12530), (358, 7910), (452, 6265), (565, 5012), (716, 3955), (791, 3580), (895, 3164), (1130, 2506), (1253, 2260), (1582, 1790)]