207911020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14221}}^1$

素因数の和:14290

約数の個数: 48

約数和(自身を含む): 473080608

約数和(自身を除く): 265169588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14221, 14620, 28442, 56884, 71105, 142210, 241757, 284420, 483514, 611503, 967028, 1208785, 1223006, 2417570, 2446012, 3057515, 4835140, 6115030, 10395551, 12230060, 20791102, 41582204, 51977755, 103955510, 207911020]

約数ペア:

[(1, 207911020), (2, 103955510), (4, 51977755), (5, 41582204), (10, 20791102), (17, 12230060), (20, 10395551), (34, 6115030), (43, 4835140), (68, 3057515), (85, 2446012), (86, 2417570), (170, 1223006), (172, 1208785), (215, 967028), (340, 611503), (430, 483514), (731, 284420), (860, 241757), (1462, 142210), (2924, 71105), (3655, 56884), (7310, 28442), (14221, 14620)]