128209870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 245630880

約数和(自身を除く): 117421010

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 263, 290, 410, 526, 1189, 1315, 1681, 2378, 2630, 3362, 5945, 7627, 8405, 10783, 11890, 15254, 16810, 21566, 38135, 48749, 53915, 76270, 97498, 107830, 243745, 312707, 442103, 487490, 625414, 884206, 1563535, 2210515, 3127070, 4421030, 12820987, 25641974, 64104935, 128209870]

約数ペア:

[(1, 128209870), (2, 64104935), (5, 25641974), (10, 12820987), (29, 4421030), (41, 3127070), (58, 2210515), (82, 1563535), (145, 884206), (205, 625414), (263, 487490), (290, 442103), (410, 312707), (526, 243745), (1189, 107830), (1315, 97498), (1681, 76270), (2378, 53915), (2630, 48749), (3362, 38135), (5945, 21566), (7627, 16810), (8405, 15254), (10783, 11890)]