2779902.00000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 41852160

約数和(自身を除く): 23616670

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 691, 754, 910, 1015, 1382, 1885, 2030, 2639, 3455, 3770, 4837, 5278, 6910, 8983, 9674, 13195, 17966, 20039, 24185, 26390, 40078, 44915, 48370, 62881, 89830, 100195, 125762, 140273, 200390, 260507, 280546, 314405, 521014, 628810, 701365, 1302535, 1402730, 1823549, 2605070, 3647098, 9117745, 18235490]

約数ペア:

[(1, 18235490), (2, 9117745), (5, 3647098), (7, 2605070), (10, 1823549), (13, 1402730), (14, 1302535), (26, 701365), (29, 628810), (35, 521014), (58, 314405), (65, 280546), (70, 260507), (91, 200390), (130, 140273), (145, 125762), (182, 100195), (203, 89830), (290, 62881), (377, 48370), (406, 44915), (455, 40078), (691, 26390), (754, 24185), (910, 20039), (1015, 17966), (1382, 13195), (1885, 9674), (2030, 8983), (2639, 6910), (3455, 5278), (3770, 4837)]