220674920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 516229200

約数和(自身を除く): 295554280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 281, 290, 562, 580, 677, 1124, 1160, 1354, 1405, 2248, 2708, 2810, 3385, 5416, 5620, 6770, 8149, 11240, 13540, 16298, 19633, 27080, 32596, 39266, 40745, 65192, 78532, 81490, 98165, 157064, 162980, 190237, 196330, 325960, 380474, 392660, 760948, 785320, 951185, 1521896, 1902370, 3804740, 5516873, 7609480, 11033746, 22067492, 27584365, 44134984, 55168730, 110337460, 220674920]

約数ペア:

[(1, 220674920), (2, 110337460), (4, 55168730), (5, 44134984), (8, 27584365), (10, 22067492), (20, 11033746), (29, 7609480), (40, 5516873), (58, 3804740), (116, 1902370), (145, 1521896), (232, 951185), (281, 785320), (290, 760948), (562, 392660), (580, 380474), (677, 325960), (1124, 196330), (1160, 190237), (1354, 162980), (1405, 157064), (2248, 98165), (2708, 81490), (2810, 78532), (3385, 65192), (5416, 40745), (5620, 39266), (6770, 32596), (8149, 27080), (11240, 19633), (13540, 16298)]