289115420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1314161}}^1$

素因数の和:1314181

約数の個数: 24

約数和(自身を含む): 662337648

約数和(自身を除く): 373222228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1314161, 2628322, 5256644, 6570805, 13141610, 14455771, 26283220, 28911542, 57823084, 72278855, 144557710, 289115420]

約数ペア:

[(1, 289115420), (2, 144557710), (4, 72278855), (5, 57823084), (10, 28911542), (11, 26283220), (20, 14455771), (22, 13141610), (44, 6570805), (55, 5256644), (110, 2628322), (220, 1314161)]