28187740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{587}}^1$

素因数の和:624

約数の個数: 60

約数和(自身を含む): 69173496

約数和(自身を除く): 40985756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 587, 686, 980, 1174, 1372, 1715, 2348, 2401, 2935, 3430, 4109, 4802, 5870, 6860, 8218, 9604, 11740, 12005, 16436, 20545, 24010, 28763, 41090, 48020, 57526, 82180, 115052, 143815, 201341, 287630, 402682, 575260, 805364, 1006705, 1409387, 2013410, 2818774, 4026820, 5637548, 7046935, 14093870, 28187740]

約数ペア:

[(1, 28187740), (2, 14093870), (4, 7046935), (5, 5637548), (7, 4026820), (10, 2818774), (14, 2013410), (20, 1409387), (28, 1006705), (35, 805364), (49, 575260), (70, 402682), (98, 287630), (140, 201341), (196, 143815), (245, 115052), (343, 82180), (490, 57526), (587, 48020), (686, 41090), (980, 28763), (1174, 24010), (1372, 20545), (1715, 16436), (2348, 12005), (2401, 11740), (2935, 9604), (3430, 8218), (4109, 6860), (4802, 5870)]