30259240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68771}}^1$

素因数の和:68793

約数の個数: 32

約数和(自身を含む): 74273760

約数和(自身を除く): 44014520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68771, 137542, 275084, 343855, 550168, 687710, 756481, 1375420, 1512962, 2750840, 3025924, 3782405, 6051848, 7564810, 15129620, 30259240]

約数ペア:

[(1, 30259240), (2, 15129620), (4, 7564810), (5, 6051848), (8, 3782405), (10, 3025924), (11, 2750840), (20, 1512962), (22, 1375420), (40, 756481), (44, 687710), (55, 550168), (88, 343855), (110, 275084), (220, 137542), (440, 68771)]