280431032

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{587}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 635040000

約数和(自身を除く): 354608968

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 449, 532, 587, 898, 1064, 1174, 1796, 2348, 3143, 3592, 4109, 4696, 6286, 8218, 8531, 11153, 12572, 16436, 17062, 22306, 25144, 32872, 34124, 44612, 59717, 68248, 78071, 89224, 119434, 156142, 238868, 263563, 312284, 477736, 527126, 624568, 1054252, 1844941, 2108504, 3689882, 5007697, 7379764, 10015394, 14759528, 20030788, 35053879, 40061576, 70107758, 140215516, 280431032]

約数ペア:

[(1, 280431032), (2, 140215516), (4, 70107758), (7, 40061576), (8, 35053879), (14, 20030788), (19, 14759528), (28, 10015394), (38, 7379764), (56, 5007697), (76, 3689882), (133, 2108504), (152, 1844941), (266, 1054252), (449, 624568), (532, 527126), (587, 477736), (898, 312284), (1064, 263563), (1174, 238868), (1796, 156142), (2348, 119434), (3143, 89224), (3592, 78071), (4109, 68248), (4696, 59717), (6286, 44612), (8218, 34124), (8531, 32872), (11153, 25144), (12572, 22306), (16436, 17062)]