30665020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 66594528

約数和(自身を除く): 35929508

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 197, 215, 362, 394, 430, 724, 788, 860, 905, 985, 1810, 1970, 3620, 3940, 7783, 8471, 15566, 16942, 31132, 33884, 35657, 38915, 42355, 71314, 77830, 84710, 142628, 155660, 169420, 178285, 356570, 713140, 1533251, 3066502, 6133004, 7666255, 15332510, 30665020]

約数ペア:

[(1, 30665020), (2, 15332510), (4, 7666255), (5, 6133004), (10, 3066502), (20, 1533251), (43, 713140), (86, 356570), (172, 178285), (181, 169420), (197, 155660), (215, 142628), (362, 84710), (394, 77830), (430, 71314), (724, 42355), (788, 38915), (860, 35657), (905, 33884), (985, 31132), (1810, 16942), (1970, 15566), (3620, 8471), (3940, 7783)]