221795560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{113161}}^1$

素因数の和:113186

約数の個数: 48

約数和(自身を含む): 580521060

約数和(自身を除く): 358725500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 113161, 226322, 452644, 565805, 792127, 905288, 1131610, 1584254, 2263220, 3168508, 3960635, 4526440, 5544889, 6337016, 7921270, 11089778, 15842540, 22179556, 27724445, 31685080, 44359112, 55448890, 110897780, 221795560]

約数ペア:

[(1, 221795560), (2, 110897780), (4, 55448890), (5, 44359112), (7, 31685080), (8, 27724445), (10, 22179556), (14, 15842540), (20, 11089778), (28, 7921270), (35, 6337016), (40, 5544889), (49, 4526440), (56, 3960635), (70, 3168508), (98, 2263220), (140, 1584254), (196, 1131610), (245, 905288), (280, 792127), (392, 565805), (490, 452644), (980, 226322), (1960, 113161)]