1261817740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{174767}}^1$

素因数の和:174814

約数の個数: 36

約数和(自身を含む): 2796637536

約数和(自身を除く): 1534819796

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 174767, 349534, 699068, 873835, 1747670, 3320573, 3495340, 6641146, 13282292, 16602865, 33205730, 63090887, 66411460, 126181774, 252363548, 315454435, 630908870, 1261817740]

約数ペア:

[(1, 1261817740), (2, 630908870), (4, 315454435), (5, 252363548), (10, 126181774), (19, 66411460), (20, 63090887), (38, 33205730), (76, 16602865), (95, 13282292), (190, 6641146), (361, 3495340), (380, 3320573), (722, 1747670), (1444, 873835), (1805, 699068), (3610, 349534), (7220, 174767)]