428609020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1093}}^1\times {\mathrm{2801}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 1029970368

約数和(自身を除く): 601361348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1093, 2186, 2801, 4372, 5465, 5602, 7651, 10930, 11204, 14005, 15302, 19607, 21860, 28010, 30604, 38255, 39214, 56020, 76510, 78428, 98035, 153020, 196070, 392140, 3061493, 6122986, 12245972, 15307465, 21430451, 30614930, 42860902, 61229860, 85721804, 107152255, 214304510, 428609020]

約数ペア:

[(1, 428609020), (2, 214304510), (4, 107152255), (5, 85721804), (7, 61229860), (10, 42860902), (14, 30614930), (20, 21430451), (28, 15307465), (35, 12245972), (70, 6122986), (140, 3061493), (1093, 392140), (2186, 196070), (2801, 153020), (4372, 98035), (5465, 78428), (5602, 76510), (7651, 56020), (10930, 39214), (11204, 38255), (14005, 30604), (15302, 28010), (19607, 21860)]