17787620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20919580

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 127, 149, 188, 235, 254, 298, 470, 508, 596, 635, 745, 940, 1270, 1490, 2540, 2980, 5969, 7003, 11938, 14006, 18923, 23876, 28012, 29845, 35015, 37846, 59690, 70030, 75692, 94615, 119380, 140060, 189230, 378460, 889381, 1778762, 3557524, 4446905, 8893810, 17787620]

約数ペア:

[(1, 17787620), (2, 8893810), (4, 4446905), (5, 3557524), (10, 1778762), (20, 889381), (47, 378460), (94, 189230), (127, 140060), (149, 119380), (188, 94615), (235, 75692), (254, 70030), (298, 59690), (470, 37846), (508, 35015), (596, 29845), (635, 28012), (745, 23876), (940, 18923), (1270, 14006), (1490, 11938), (2540, 7003), (2980, 5969)]