263356040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2102

約数の個数: 64

約数和(自身を含む): 613992960

約数和(自身を除く): 350636920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 940, 1420, 1880, 1973, 2840, 3337, 3946, 6674, 7892, 9865, 13348, 15784, 16685, 19730, 26696, 33370, 39460, 66740, 78920, 92731, 133480, 140083, 185462, 280166, 370924, 463655, 560332, 700415, 741848, 927310, 1120664, 1400830, 1854620, 2801660, 3709240, 5603320, 6583901, 13167802, 26335604, 32919505, 52671208, 65839010, 131678020, 263356040]

約数ペア:

[(1, 263356040), (2, 131678020), (4, 65839010), (5, 52671208), (8, 32919505), (10, 26335604), (20, 13167802), (40, 6583901), (47, 5603320), (71, 3709240), (94, 2801660), (142, 1854620), (188, 1400830), (235, 1120664), (284, 927310), (355, 741848), (376, 700415), (470, 560332), (568, 463655), (710, 370924), (940, 280166), (1420, 185462), (1880, 140083), (1973, 133480), (2840, 92731), (3337, 78920), (3946, 66740), (6674, 39460), (7892, 33370), (9865, 26696), (13348, 19730), (15784, 16685)]