142851380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{607}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 351988224

約数和(自身を除く): 209136844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 607, 820, 1148, 1214, 1435, 1681, 2428, 2870, 3035, 3362, 4249, 5740, 6070, 6724, 8405, 8498, 11767, 12140, 16810, 16996, 21245, 23534, 24887, 33620, 42490, 47068, 49774, 58835, 84980, 99548, 117670, 124435, 174209, 235340, 248870, 348418, 497740, 696836, 871045, 1020367, 1742090, 2040734, 3484180, 4081468, 5101835, 7142569, 10203670, 14285138, 20407340, 28570276, 35712845, 71425690, 142851380]

約数ペア:

[(1, 142851380), (2, 71425690), (4, 35712845), (5, 28570276), (7, 20407340), (10, 14285138), (14, 10203670), (20, 7142569), (28, 5101835), (35, 4081468), (41, 3484180), (70, 2040734), (82, 1742090), (140, 1020367), (164, 871045), (205, 696836), (287, 497740), (410, 348418), (574, 248870), (607, 235340), (820, 174209), (1148, 124435), (1214, 117670), (1435, 99548), (1681, 84980), (2428, 58835), (2870, 49774), (3035, 47068), (3362, 42490), (4249, 33620), (5740, 24887), (6070, 23534), (6724, 21245), (8405, 16996), (8498, 16810), (11767, 12140)]