39902380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 96134976

約数和(自身を除く): 56232596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 677, 842, 1354, 1684, 2105, 2708, 2947, 3385, 4210, 4739, 5894, 6770, 8420, 9478, 11788, 13540, 14735, 18956, 23695, 29470, 47390, 58940, 94780, 285017, 570034, 1140068, 1425085, 1995119, 2850170, 3990238, 5700340, 7980476, 9975595, 19951190, 39902380]

約数ペア:

[(1, 39902380), (2, 19951190), (4, 9975595), (5, 7980476), (7, 5700340), (10, 3990238), (14, 2850170), (20, 1995119), (28, 1425085), (35, 1140068), (70, 570034), (140, 285017), (421, 94780), (677, 58940), (842, 47390), (1354, 29470), (1684, 23695), (2105, 18956), (2708, 14735), (2947, 13540), (3385, 11788), (4210, 9478), (4739, 8420), (5894, 6770)]