204574995

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 397163520

約数和(自身を除く): 192588525

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 101, 103, 115, 171, 207, 285, 303, 309, 345, 437, 505, 515, 855, 909, 927, 1035, 1311, 1515, 1545, 1919, 1957, 2185, 2323, 2369, 3933, 4545, 4635, 5757, 5871, 6555, 6969, 7107, 9595, 9785, 10403, 11615, 11845, 17271, 17613, 19665, 20907, 21321, 28785, 29355, 31209, 34845, 35535, 44137, 45011, 52015, 86355, 88065, 93627, 104535, 106605, 132411, 135033, 156045, 197657, 220685, 225055, 239269, 397233, 405099, 468135, 592971, 662055, 675165, 717807, 988285, 1196345, 1778913, 1986165, 2025495, 2153421, 2964855, 3589035, 4546111, 8894565, 10767105, 13638333, 22730555, 40914999, 68191665, 204574995]

約数ペア:

[(1, 204574995), (3, 68191665), (5, 40914999), (9, 22730555), (15, 13638333), (19, 10767105), (23, 8894565), (45, 4546111), (57, 3589035), (69, 2964855), (95, 2153421), (101, 2025495), (103, 1986165), (115, 1778913), (171, 1196345), (207, 988285), (285, 717807), (303, 675165), (309, 662055), (345, 592971), (437, 468135), (505, 405099), (515, 397233), (855, 239269), (909, 225055), (927, 220685), (1035, 197657), (1311, 156045), (1515, 135033), (1545, 132411), (1919, 106605), (1957, 104535), (2185, 93627), (2323, 88065), (2369, 86355), (3933, 52015), (4545, 45011), (4635, 44137), (5757, 35535), (5871, 34845), (6555, 31209), (6969, 29355), (7107, 28785), (9595, 21321), (9785, 20907), (10403, 19665), (11615, 17613), (11845, 17271)]