2019420910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{6343}}^1$

素因数の和:6473

約数の個数: 64

約数和(自身を含む): 4092641280

約数和(自身を除く): 2073220370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 310, 395, 403, 790, 806, 1027, 2015, 2054, 2449, 4030, 4898, 5135, 6343, 10270, 12245, 12686, 24490, 31715, 31837, 63430, 63674, 82459, 159185, 164918, 196633, 318370, 393266, 412295, 501097, 824590, 983165, 1002194, 1966330, 2505485, 2556229, 5010970, 5112458, 6514261, 12781145, 13028522, 15534007, 25562290, 31068014, 32571305, 65142610, 77670035, 155340070, 201942091, 403884182, 1009710455, 2019420910]

約数ペア:

[(1, 2019420910), (2, 1009710455), (5, 403884182), (10, 201942091), (13, 155340070), (26, 77670035), (31, 65142610), (62, 32571305), (65, 31068014), (79, 25562290), (130, 15534007), (155, 13028522), (158, 12781145), (310, 6514261), (395, 5112458), (403, 5010970), (790, 2556229), (806, 2505485), (1027, 1966330), (2015, 1002194), (2054, 983165), (2449, 824590), (4030, 501097), (4898, 412295), (5135, 393266), (6343, 318370), (10270, 196633), (12245, 164918), (12686, 159185), (24490, 82459), (31715, 63674), (31837, 63430)]