349118620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 743976576

約数和(自身を除く): 394857956

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 401, 404, 431, 505, 802, 862, 1010, 1604, 1724, 2005, 2020, 2155, 4010, 4310, 8020, 8620, 40501, 43531, 81002, 87062, 162004, 172831, 174124, 202505, 217655, 345662, 405010, 435310, 691324, 810020, 864155, 870620, 1728310, 3456620, 17455931, 34911862, 69823724, 87279655, 174559310, 349118620]

約数ペア:

[(1, 349118620), (2, 174559310), (4, 87279655), (5, 69823724), (10, 34911862), (20, 17455931), (101, 3456620), (202, 1728310), (401, 870620), (404, 864155), (431, 810020), (505, 691324), (802, 435310), (862, 405010), (1010, 345662), (1604, 217655), (1724, 202505), (2005, 174124), (2020, 172831), (2155, 162004), (4010, 87062), (4310, 81002), (8020, 43531), (8620, 40501)]