206667790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 439344000

約数和(自身を除く): 232676210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 343, 445, 490, 623, 677, 686, 890, 1246, 1354, 1715, 3115, 3385, 3430, 4361, 4739, 6230, 6770, 8722, 9478, 21805, 23695, 30527, 33173, 43610, 47390, 60253, 61054, 66346, 120506, 152635, 165865, 232211, 301265, 305270, 331730, 421771, 464422, 602530, 843542, 1161055, 2108855, 2322110, 2952397, 4217710, 5904794, 14761985, 20666779, 29523970, 41333558, 103333895, 206667790]

約数ペア:

[(1, 206667790), (2, 103333895), (5, 41333558), (7, 29523970), (10, 20666779), (14, 14761985), (35, 5904794), (49, 4217710), (70, 2952397), (89, 2322110), (98, 2108855), (178, 1161055), (245, 843542), (343, 602530), (445, 464422), (490, 421771), (623, 331730), (677, 305270), (686, 301265), (890, 232211), (1246, 165865), (1354, 152635), (1715, 120506), (3115, 66346), (3385, 61054), (3430, 60253), (4361, 47390), (4739, 43610), (6230, 33173), (6770, 30527), (8722, 23695), (9478, 21805)]