17388980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4283}}^1$

素因数の和:4328

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 25793740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4283, 8566, 17132, 21415, 29981, 42830, 59962, 85660, 119924, 124207, 149905, 248414, 299810, 496828, 599620, 621035, 869449, 1242070, 1738898, 2484140, 3477796, 4347245, 8694490, 17388980]

約数ペア:

[(1, 17388980), (2, 8694490), (4, 4347245), (5, 3477796), (7, 2484140), (10, 1738898), (14, 1242070), (20, 869449), (28, 621035), (29, 599620), (35, 496828), (58, 299810), (70, 248414), (116, 149905), (140, 124207), (145, 119924), (203, 85660), (290, 59962), (406, 42830), (580, 29981), (812, 21415), (1015, 17132), (2030, 8566), (4060, 4283)]