90819400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{64871}}^1$

素因数の和:64894

約数の個数: 48

約数和(自身を含む): 241323840

約数和(自身を除く): 150504440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 64871, 129742, 259484, 324355, 454097, 518968, 648710, 908194, 1297420, 1621775, 1816388, 2270485, 2594840, 3243550, 3632776, 4540970, 6487100, 9081940, 11352425, 12974200, 18163880, 22704850, 45409700, 90819400]

約数ペア:

[(1, 90819400), (2, 45409700), (4, 22704850), (5, 18163880), (7, 12974200), (8, 11352425), (10, 9081940), (14, 6487100), (20, 4540970), (25, 3632776), (28, 3243550), (35, 2594840), (40, 2270485), (50, 1816388), (56, 1621775), (70, 1297420), (100, 908194), (140, 648710), (175, 518968), (200, 454097), (280, 324355), (350, 259484), (700, 129742), (1400, 64871)]