28990140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16661}}^1$

素因数の和:16702

約数の個数: 48

約数和(自身を含む): 83976480

約数和(自身を除く): 54986340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 16661, 33322, 49983, 66644, 83305, 99966, 166610, 199932, 249915, 333220, 483169, 499830, 966338, 999660, 1449507, 1932676, 2415845, 2899014, 4831690, 5798028, 7247535, 9663380, 14495070, 28990140]

約数ペア:

[(1, 28990140), (2, 14495070), (3, 9663380), (4, 7247535), (5, 5798028), (6, 4831690), (10, 2899014), (12, 2415845), (15, 1932676), (20, 1449507), (29, 999660), (30, 966338), (58, 499830), (60, 483169), (87, 333220), (116, 249915), (145, 199932), (174, 166610), (290, 99966), (348, 83305), (435, 66644), (580, 49983), (870, 33322), (1740, 16661)]