142990760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{324979}}^1$

素因数の和:325001

約数の個数: 32

約数和(自身を含む): 350978400

約数和(自身を除く): 207987640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 324979, 649958, 1299916, 1624895, 2599832, 3249790, 3574769, 6499580, 7149538, 12999160, 14299076, 17873845, 28598152, 35747690, 71495380, 142990760]

約数ペア:

[(1, 142990760), (2, 71495380), (4, 35747690), (5, 28598152), (8, 17873845), (10, 14299076), (11, 12999160), (20, 7149538), (22, 6499580), (40, 3574769), (44, 3249790), (55, 2599832), (88, 1624895), (110, 1299916), (220, 649958), (440, 324979)]