278985252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{569}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 804384000

約数和(自身を除く): 525398748

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 449, 546, 569, 898, 1092, 1138, 1347, 1707, 1796, 2276, 2694, 3143, 3414, 3983, 5388, 5837, 6286, 6828, 7397, 7966, 9429, 11674, 11949, 12572, 14794, 15932, 17511, 18858, 22191, 23348, 23898, 29588, 35022, 37716, 40859, 44382, 47796, 51779, 70044, 81718, 88764, 103558, 122577, 155337, 163436, 207116, 245154, 255481, 310674, 490308, 510962, 621348, 766443, 1021924, 1532886, 1788367, 3065772, 3321253, 3576734, 5365101, 6642506, 7153468, 9963759, 10730202, 13285012, 19927518, 21460404, 23248771, 39855036, 46497542, 69746313, 92995084, 139492626, 278985252]

約数ペア:

[(1, 278985252), (2, 139492626), (3, 92995084), (4, 69746313), (6, 46497542), (7, 39855036), (12, 23248771), (13, 21460404), (14, 19927518), (21, 13285012), (26, 10730202), (28, 9963759), (39, 7153468), (42, 6642506), (52, 5365101), (78, 3576734), (84, 3321253), (91, 3065772), (156, 1788367), (182, 1532886), (273, 1021924), (364, 766443), (449, 621348), (546, 510962), (569, 490308), (898, 310674), (1092, 255481), (1138, 245154), (1347, 207116), (1707, 163436), (1796, 155337), (2276, 122577), (2694, 103558), (3143, 88764), (3414, 81718), (3983, 70044), (5388, 51779), (5837, 47796), (6286, 44382), (6828, 40859), (7397, 37716), (7966, 35022), (9429, 29588), (11674, 23898), (11949, 23348), (12572, 22191), (14794, 18858), (15932, 17511)]