31098620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1163}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 75091968

約数和(自身を除く): 43993348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 955, 1163, 1337, 1910, 2326, 2674, 3820, 4652, 5348, 5815, 6685, 8141, 11630, 13370, 16282, 23260, 26740, 32564, 40705, 81410, 162820, 222133, 444266, 888532, 1110665, 1554931, 2221330, 3109862, 4442660, 6219724, 7774655, 15549310, 31098620]

約数ペア:

[(1, 31098620), (2, 15549310), (4, 7774655), (5, 6219724), (7, 4442660), (10, 3109862), (14, 2221330), (20, 1554931), (28, 1110665), (35, 888532), (70, 444266), (140, 222133), (191, 162820), (382, 81410), (764, 40705), (955, 32564), (1163, 26740), (1337, 23260), (1910, 16282), (2326, 13370), (2674, 11630), (3820, 8141), (4652, 6685), (5348, 5815)]