8185140100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{1697}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 17951663520

約数和(自身を除く): 9766523420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 347, 556, 694, 695, 1388, 1390, 1697, 1735, 2780, 3394, 3470, 3475, 6788, 6940, 6950, 8485, 8675, 13900, 16970, 17350, 33940, 34700, 42425, 48233, 84850, 96466, 169700, 192932, 235883, 241165, 471766, 482330, 588859, 943532, 964660, 1177718, 1179415, 1205825, 2355436, 2358830, 2411650, 2944295, 4717660, 4823300, 5888590, 5897075, 11777180, 11794150, 14721475, 23588300, 29442950, 58885900, 81851401, 163702802, 327405604, 409257005, 818514010, 1637028020, 2046285025, 4092570050, 8185140100]

約数ペア:

[(1, 8185140100), (2, 4092570050), (4, 2046285025), (5, 1637028020), (10, 818514010), (20, 409257005), (25, 327405604), (50, 163702802), (100, 81851401), (139, 58885900), (278, 29442950), (347, 23588300), (556, 14721475), (694, 11794150), (695, 11777180), (1388, 5897075), (1390, 5888590), (1697, 4823300), (1735, 4717660), (2780, 2944295), (3394, 2411650), (3470, 2358830), (3475, 2355436), (6788, 1205825), (6940, 1179415), (6950, 1177718), (8485, 964660), (8675, 943532), (13900, 588859), (16970, 482330), (17350, 471766), (33940, 241165), (34700, 235883), (42425, 192932), (48233, 169700), (84850, 96466)]