29821880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67777}}^1$

素因数の和:67799

約数の個数: 32

約数和(自身を含む): 73200240

約数和(自身を除く): 43378360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 67777, 135554, 271108, 338885, 542216, 677770, 745547, 1355540, 1491094, 2711080, 2982188, 3727735, 5964376, 7455470, 14910940, 29821880]

約数ペア:

[(1, 29821880), (2, 14910940), (4, 7455470), (5, 5964376), (8, 3727735), (10, 2982188), (11, 2711080), (20, 1491094), (22, 1355540), (40, 745547), (44, 677770), (55, 542216), (88, 338885), (110, 271108), (220, 135554), (440, 67777)]