142788620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3637}}^1$

素因数の和:3810

約数の個数: 48

約数和(自身を含む): 325149888

約数和(自身を除く): 182361268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 3020, 3637, 3926, 7274, 7852, 9815, 14548, 18185, 19630, 36370, 39260, 47281, 72740, 94562, 189124, 236405, 472810, 549187, 945620, 1098374, 2196748, 2745935, 5491870, 7139431, 10983740, 14278862, 28557724, 35697155, 71394310, 142788620]

約数ペア:

[(1, 142788620), (2, 71394310), (4, 35697155), (5, 28557724), (10, 14278862), (13, 10983740), (20, 7139431), (26, 5491870), (52, 2745935), (65, 2196748), (130, 1098374), (151, 945620), (260, 549187), (302, 472810), (604, 236405), (755, 189124), (1510, 94562), (1963, 72740), (3020, 47281), (3637, 39260), (3926, 36370), (7274, 19630), (7852, 18185), (9815, 14548)]