7901420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 17599680

約数和(自身を除く): 9698260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 193, 230, 356, 386, 445, 460, 772, 890, 965, 1780, 1930, 2047, 3860, 4094, 4439, 8188, 8878, 10235, 17177, 17756, 20470, 22195, 34354, 40940, 44390, 68708, 85885, 88780, 171770, 343540, 395071, 790142, 1580284, 1975355, 3950710, 7901420]

約数ペア:

[(1, 7901420), (2, 3950710), (4, 1975355), (5, 1580284), (10, 790142), (20, 395071), (23, 343540), (46, 171770), (89, 88780), (92, 85885), (115, 68708), (178, 44390), (193, 40940), (230, 34354), (356, 22195), (386, 20470), (445, 17756), (460, 17177), (772, 10235), (890, 8878), (965, 8188), (1780, 4439), (1930, 4094), (2047, 3860)]