40138140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 129314304

約数和(自身を除く): 89176164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 227, 420, 421, 454, 681, 842, 908, 1135, 1263, 1362, 1589, 1684, 2105, 2270, 2526, 2724, 2947, 3178, 3405, 4210, 4540, 4767, 5052, 5894, 6315, 6356, 6810, 7945, 8420, 8841, 9534, 11788, 12630, 13620, 14735, 15890, 17682, 19068, 23835, 25260, 29470, 31780, 35364, 44205, 47670, 58940, 88410, 95340, 95567, 176820, 191134, 286701, 382268, 477835, 573402, 668969, 955670, 1146804, 1337938, 1433505, 1911340, 2006907, 2675876, 2867010, 3344845, 4013814, 5734020, 6689690, 8027628, 10034535, 13379380, 20069070, 40138140]

約数ペア:

[(1, 40138140), (2, 20069070), (3, 13379380), (4, 10034535), (5, 8027628), (6, 6689690), (7, 5734020), (10, 4013814), (12, 3344845), (14, 2867010), (15, 2675876), (20, 2006907), (21, 1911340), (28, 1433505), (30, 1337938), (35, 1146804), (42, 955670), (60, 668969), (70, 573402), (84, 477835), (105, 382268), (140, 286701), (210, 191134), (227, 176820), (420, 95567), (421, 95340), (454, 88410), (681, 58940), (842, 47670), (908, 44205), (1135, 35364), (1263, 31780), (1362, 29470), (1589, 25260), (1684, 23835), (2105, 19068), (2270, 17682), (2526, 15890), (2724, 14735), (2947, 13620), (3178, 12630), (3405, 11788), (4210, 9534), (4540, 8841), (4767, 8420), (5052, 7945), (5894, 6810), (6315, 6356)]