2878540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 7156800

約数和(自身を除く): 4278260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 709, 812, 1015, 1418, 2030, 2836, 3545, 4060, 4963, 7090, 9926, 14180, 19852, 20561, 24815, 41122, 49630, 82244, 99260, 102805, 143927, 205610, 287854, 411220, 575708, 719635, 1439270, 2878540]

約数ペア:

[(1, 2878540), (2, 1439270), (4, 719635), (5, 575708), (7, 411220), (10, 287854), (14, 205610), (20, 143927), (28, 102805), (29, 99260), (35, 82244), (58, 49630), (70, 41122), (116, 24815), (140, 20561), (145, 19852), (203, 14180), (290, 9926), (406, 7090), (580, 4963), (709, 4060), (812, 3545), (1015, 2836), (1418, 2030)]