147618220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{811}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 327398400

約数和(自身を除く): 179780180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 479, 811, 958, 1622, 1916, 2395, 3244, 4055, 4790, 8110, 9101, 9580, 15409, 16220, 18202, 30818, 36404, 45505, 61636, 77045, 91010, 154090, 182020, 308180, 388469, 776938, 1553876, 1942345, 3884690, 7380911, 7769380, 14761822, 29523644, 36904555, 73809110, 147618220]

約数ペア:

[(1, 147618220), (2, 73809110), (4, 36904555), (5, 29523644), (10, 14761822), (19, 7769380), (20, 7380911), (38, 3884690), (76, 1942345), (95, 1553876), (190, 776938), (380, 388469), (479, 308180), (811, 182020), (958, 154090), (1622, 91010), (1916, 77045), (2395, 61636), (3244, 45505), (4055, 36404), (4790, 30818), (8110, 18202), (9101, 16220), (9580, 15409)]