189175820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1693}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 410950848

約数和(自身を除く): 221775028

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 185, 302, 370, 604, 740, 755, 1510, 1693, 3020, 3386, 5587, 6772, 8465, 11174, 16930, 22348, 27935, 33860, 55870, 62641, 111740, 125282, 250564, 255643, 313205, 511286, 626410, 1022572, 1252820, 1278215, 2556430, 5112860, 9458791, 18917582, 37835164, 47293955, 94587910, 189175820]

約数ペア:

[(1, 189175820), (2, 94587910), (4, 47293955), (5, 37835164), (10, 18917582), (20, 9458791), (37, 5112860), (74, 2556430), (148, 1278215), (151, 1252820), (185, 1022572), (302, 626410), (370, 511286), (604, 313205), (740, 255643), (755, 250564), (1510, 125282), (1693, 111740), (3020, 62641), (3386, 55870), (5587, 33860), (6772, 27935), (8465, 22348), (11174, 16930)]