779702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{5881}}^1$

素因数の和:6844

約数の個数: 48

約数和(自身を含む): 1873581696

約数和(自身を除く): 1093878716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 947, 1894, 3788, 4735, 5881, 6629, 9470, 11762, 13258, 18940, 23524, 26516, 29405, 33145, 41167, 58810, 66290, 82334, 117620, 132580, 164668, 205835, 411670, 823340, 5569307, 11138614, 22277228, 27846535, 38985149, 55693070, 77970298, 111386140, 155940596, 194925745, 389851490, 779702980]

約数ペア:

[(1, 779702980), (2, 389851490), (4, 194925745), (5, 155940596), (7, 111386140), (10, 77970298), (14, 55693070), (20, 38985149), (28, 27846535), (35, 22277228), (70, 11138614), (140, 5569307), (947, 823340), (1894, 411670), (3788, 205835), (4735, 164668), (5881, 132580), (6629, 117620), (9470, 82334), (11762, 66290), (13258, 58810), (18940, 41167), (23524, 33145), (26516, 29405)]