1213148980

素因数分解:

$2^2\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{27043}}^1$

素因数の和:29295

約数の個数: 24

約数和(自身を含む): 2548842912

約数和(自身を除く): 1335693932

約数列:

[1, 2, 4, 5, 10, 20, 2243, 4486, 8972, 11215, 22430, 27043, 44860, 54086, 108172, 135215, 270430, 540860, 60657449, 121314898, 242629796, 303287245, 606574490, 1213148980]

約数ペア:

[(1, 1213148980), (2, 606574490), (4, 303287245), (5, 242629796), (10, 121314898), (20, 60657449), (2243, 540860), (4486, 270430), (8972, 135215), (11215, 108172), (22430, 54086), (27043, 44860)]