29101820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{739}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 67132800

約数和(自身を除く): 38030980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 739, 895, 1478, 1790, 1969, 2956, 3580, 3695, 3938, 7390, 7876, 8129, 9845, 14780, 16258, 19690, 32516, 39380, 40645, 81290, 132281, 162580, 264562, 529124, 661405, 1322810, 1455091, 2645620, 2910182, 5820364, 7275455, 14550910, 29101820]

約数ペア:

[(1, 29101820), (2, 14550910), (4, 7275455), (5, 5820364), (10, 2910182), (11, 2645620), (20, 1455091), (22, 1322810), (44, 661405), (55, 529124), (110, 264562), (179, 162580), (220, 132281), (358, 81290), (716, 40645), (739, 39380), (895, 32516), (1478, 19690), (1790, 16258), (1969, 14780), (2956, 9845), (3580, 8129), (3695, 7876), (3938, 7390)]