203265160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1129}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 523958400

約数和(自身を除く): 320693240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 1129, 1286, 2258, 2572, 3215, 4501, 4516, 5144, 5645, 6430, 7903, 9002, 9032, 11290, 12860, 15806, 18004, 22505, 22580, 25720, 31612, 36008, 39515, 45010, 45160, 63224, 79030, 90020, 158060, 180040, 316120, 725947, 1451894, 2903788, 3629735, 5081629, 5807576, 7259470, 10163258, 14518940, 20326516, 25408145, 29037880, 40653032, 50816290, 101632580, 203265160]

約数ペア:

[(1, 203265160), (2, 101632580), (4, 50816290), (5, 40653032), (7, 29037880), (8, 25408145), (10, 20326516), (14, 14518940), (20, 10163258), (28, 7259470), (35, 5807576), (40, 5081629), (56, 3629735), (70, 2903788), (140, 1451894), (280, 725947), (643, 316120), (1129, 180040), (1286, 158060), (2258, 90020), (2572, 79030), (3215, 63224), (4501, 45160), (4516, 45010), (5144, 39515), (5645, 36008), (6430, 31612), (7903, 25720), (9002, 22580), (9032, 22505), (11290, 18004), (12860, 15806)]