189492050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31321}}^1$

素因数の和:31355

約数の個数: 36

約数和(自身を含む): 387421818

約数和(自身を除く): 197929768

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 6050, 31321, 62642, 156605, 313210, 344531, 689062, 783025, 1566050, 1722655, 3445310, 3789841, 7579682, 8613275, 17226550, 18949205, 37898410, 94746025, 189492050]

約数ペア:

[(1, 189492050), (2, 94746025), (5, 37898410), (10, 18949205), (11, 17226550), (22, 8613275), (25, 7579682), (50, 3789841), (55, 3445310), (110, 1722655), (121, 1566050), (242, 783025), (275, 689062), (550, 344531), (605, 313210), (1210, 156605), (3025, 62642), (6050, 31321)]