158601980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2713}}^1$

素因数の和:2838

約数の個数: 48

約数和(自身を含む): 346523520

約数和(自身を除く): 187921540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 740, 790, 1580, 2713, 2923, 5426, 5846, 10852, 11692, 13565, 14615, 27130, 29230, 54260, 58460, 100381, 200762, 214327, 401524, 428654, 501905, 857308, 1003810, 1071635, 2007620, 2143270, 4286540, 7930099, 15860198, 31720396, 39650495, 79300990, 158601980]

約数ペア:

[(1, 158601980), (2, 79300990), (4, 39650495), (5, 31720396), (10, 15860198), (20, 7930099), (37, 4286540), (74, 2143270), (79, 2007620), (148, 1071635), (158, 1003810), (185, 857308), (316, 501905), (370, 428654), (395, 401524), (740, 214327), (790, 200762), (1580, 100381), (2713, 58460), (2923, 54260), (5426, 29230), (5846, 27130), (10852, 14615), (11692, 13565)]