28619220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68141}}^1$

素因数の和:68160

約数の個数: 48

約数和(自身を含む): 91582848

約数和(自身を除く): 62963628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68141, 136282, 204423, 272564, 340705, 408846, 476987, 681410, 817692, 953974, 1022115, 1362820, 1430961, 1907948, 2044230, 2384935, 2861922, 4088460, 4769870, 5723844, 7154805, 9539740, 14309610, 28619220]

約数ペア:

[(1, 28619220), (2, 14309610), (3, 9539740), (4, 7154805), (5, 5723844), (6, 4769870), (7, 4088460), (10, 2861922), (12, 2384935), (14, 2044230), (15, 1907948), (20, 1430961), (21, 1362820), (28, 1022115), (30, 953974), (35, 817692), (42, 681410), (60, 476987), (70, 408846), (84, 340705), (105, 272564), (140, 204423), (210, 136282), (420, 68141)]