2042180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3038140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 503, 580, 812, 1006, 1015, 2012, 2030, 2515, 3521, 4060, 5030, 7042, 10060, 14084, 14587, 17605, 29174, 35210, 58348, 70420, 72935, 102109, 145870, 204218, 291740, 408436, 510545, 1021090, 2042180]

約数ペア:

[(1, 2042180), (2, 1021090), (4, 510545), (5, 408436), (7, 291740), (10, 204218), (14, 145870), (20, 102109), (28, 72935), (29, 70420), (35, 58348), (58, 35210), (70, 29174), (116, 17605), (140, 14587), (145, 14084), (203, 10060), (290, 7042), (406, 5030), (503, 4060), (580, 3521), (812, 2515), (1006, 2030), (1015, 2012)]