388632860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{252359}}^1$

素因数の和:252386

約数の個数: 48

約数和(自身を含む): 1017515520

約数和(自身を除く): 628882660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 252359, 504718, 1009436, 1261795, 1766513, 2523590, 2775949, 3533026, 5047180, 5551898, 7066052, 8832565, 11103796, 13879745, 17665130, 19431643, 27759490, 35330260, 38863286, 55518980, 77726572, 97158215, 194316430, 388632860]

約数ペア:

[(1, 388632860), (2, 194316430), (4, 97158215), (5, 77726572), (7, 55518980), (10, 38863286), (11, 35330260), (14, 27759490), (20, 19431643), (22, 17665130), (28, 13879745), (35, 11103796), (44, 8832565), (55, 7066052), (70, 5551898), (77, 5047180), (110, 3533026), (140, 2775949), (154, 2523590), (220, 1766513), (308, 1261795), (385, 1009436), (770, 504718), (1540, 252359)]