201657880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 471873600

約数和(自身を除く): 270215720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 263, 290, 526, 580, 661, 1052, 1160, 1315, 1322, 2104, 2630, 2644, 3305, 5260, 5288, 6610, 7627, 10520, 13220, 15254, 19169, 26440, 30508, 38135, 38338, 61016, 76270, 76676, 95845, 152540, 153352, 173843, 191690, 305080, 347686, 383380, 695372, 766760, 869215, 1390744, 1738430, 3476860, 5041447, 6953720, 10082894, 20165788, 25207235, 40331576, 50414470, 100828940, 201657880]

約数ペア:

[(1, 201657880), (2, 100828940), (4, 50414470), (5, 40331576), (8, 25207235), (10, 20165788), (20, 10082894), (29, 6953720), (40, 5041447), (58, 3476860), (116, 1738430), (145, 1390744), (232, 869215), (263, 766760), (290, 695372), (526, 383380), (580, 347686), (661, 305080), (1052, 191690), (1160, 173843), (1315, 153352), (1322, 152540), (2104, 95845), (2630, 76676), (2644, 76270), (3305, 61016), (5260, 38338), (5288, 38135), (6610, 30508), (7627, 26440), (10520, 19169), (13220, 15254)]