254698640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9677}}^1$

素因数の和:9744

約数の個数: 80

約数和(自身を含む): 691241472

約数和(自身を除く): 436542832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 9677, 13160, 19354, 26320, 38708, 48385, 67739, 77416, 96770, 135478, 154832, 193540, 270956, 338695, 387080, 454819, 541912, 677390, 774160, 909638, 1083824, 1354780, 1819276, 2274095, 2709560, 3183733, 3638552, 4548190, 5419120, 6367466, 7277104, 9096380, 12734932, 15918665, 18192760, 25469864, 31837330, 36385520, 50939728, 63674660, 127349320, 254698640]

約数ペア:

[(1, 254698640), (2, 127349320), (4, 63674660), (5, 50939728), (7, 36385520), (8, 31837330), (10, 25469864), (14, 18192760), (16, 15918665), (20, 12734932), (28, 9096380), (35, 7277104), (40, 6367466), (47, 5419120), (56, 4548190), (70, 3638552), (80, 3183733), (94, 2709560), (112, 2274095), (140, 1819276), (188, 1354780), (235, 1083824), (280, 909638), (329, 774160), (376, 677390), (470, 541912), (560, 454819), (658, 387080), (752, 338695), (940, 270956), (1316, 193540), (1645, 154832), (1880, 135478), (2632, 96770), (3290, 77416), (3760, 67739), (5264, 48385), (6580, 38708), (9677, 26320), (13160, 19354)]