22390180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 26638940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 383, 395, 740, 766, 790, 1532, 1580, 1915, 2923, 3830, 5846, 7660, 11692, 14171, 14615, 28342, 29230, 30257, 56684, 58460, 60514, 70855, 121028, 141710, 151285, 283420, 302570, 605140, 1119509, 2239018, 4478036, 5597545, 11195090, 22390180]

約数ペア:

[(1, 22390180), (2, 11195090), (4, 5597545), (5, 4478036), (10, 2239018), (20, 1119509), (37, 605140), (74, 302570), (79, 283420), (148, 151285), (158, 141710), (185, 121028), (316, 70855), (370, 60514), (383, 58460), (395, 56684), (740, 30257), (766, 29230), (790, 28342), (1532, 14615), (1580, 14171), (1915, 11692), (2923, 7660), (3830, 5846)]