123457910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{42719}}^1$

素因数の和:42760

約数の個数: 24

約数和(自身を含む): 236070720

約数和(自身を除く): 112612810

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 42719, 85438, 213595, 427190, 726223, 1452446, 3631115, 7262230, 12345791, 24691582, 61728955, 123457910]

約数ペア:

[(1, 123457910), (2, 61728955), (5, 24691582), (10, 12345791), (17, 7262230), (34, 3631115), (85, 1452446), (170, 726223), (289, 427190), (578, 213595), (1445, 85438), (2890, 42719)]