173278540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 369480384

約数和(自身を除く): 196201844

約数列:

[1, 2, 4, 5, 10, 20, 151, 181, 302, 317, 362, 604, 634, 724, 755, 905, 1268, 1510, 1585, 1810, 3020, 3170, 3620, 6340, 27331, 47867, 54662, 57377, 95734, 109324, 114754, 136655, 191468, 229508, 239335, 273310, 286885, 478670, 546620, 573770, 957340, 1147540, 8663927, 17327854, 34655708, 43319635, 86639270, 173278540]

約数ペア:

[(1, 173278540), (2, 86639270), (4, 43319635), (5, 34655708), (10, 17327854), (20, 8663927), (151, 1147540), (181, 957340), (302, 573770), (317, 546620), (362, 478670), (604, 286885), (634, 273310), (724, 239335), (755, 229508), (905, 191468), (1268, 136655), (1510, 114754), (1585, 109324), (1810, 95734), (3020, 57377), (3170, 54662), (3620, 47867), (6340, 27331)]