12870220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 18176180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3079, 4180, 6158, 12316, 15395, 30790, 33869, 58501, 61580, 67738, 117002, 135476, 169345, 234004, 292505, 338690, 585010, 643511, 677380, 1170020, 1287022, 2574044, 3217555, 6435110, 12870220]

約数ペア:

[(1, 12870220), (2, 6435110), (4, 3217555), (5, 2574044), (10, 1287022), (11, 1170020), (19, 677380), (20, 643511), (22, 585010), (38, 338690), (44, 292505), (55, 234004), (76, 169345), (95, 135476), (110, 117002), (190, 67738), (209, 61580), (220, 58501), (380, 33869), (418, 30790), (836, 15395), (1045, 12316), (2090, 6158), (3079, 4180)]