137749360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{245981}}^1$

素因数の和:246001

約数の個数: 40

約数和(自身を含む): 366021216

約数和(自身を除く): 228271856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 245981, 491962, 983924, 1229905, 1721867, 1967848, 2459810, 3443734, 3935696, 4919620, 6887468, 8609335, 9839240, 13774936, 17218670, 19678480, 27549872, 34437340, 68874680, 137749360]

約数ペア:

[(1, 137749360), (2, 68874680), (4, 34437340), (5, 27549872), (7, 19678480), (8, 17218670), (10, 13774936), (14, 9839240), (16, 8609335), (20, 6887468), (28, 4919620), (35, 3935696), (40, 3443734), (56, 2459810), (70, 1967848), (80, 1721867), (112, 1229905), (140, 983924), (280, 491962), (560, 245981)]