28498890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19387}}^1$

素因数の和:19411

約数の個数: 48

約数和(自身を含む): 79568352

約数和(自身を除く): 51069462

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19387, 38774, 58161, 96935, 116322, 135709, 193870, 271418, 290805, 407127, 581610, 678545, 814254, 949963, 1357090, 1899926, 2035635, 2849889, 4071270, 4749815, 5699778, 9499630, 14249445, 28498890]

約数ペア:

[(1, 28498890), (2, 14249445), (3, 9499630), (5, 5699778), (6, 4749815), (7, 4071270), (10, 2849889), (14, 2035635), (15, 1899926), (21, 1357090), (30, 949963), (35, 814254), (42, 678545), (49, 581610), (70, 407127), (98, 290805), (105, 271418), (147, 193870), (210, 135709), (245, 116322), (294, 96935), (490, 58161), (735, 38774), (1470, 19387)]