4220681780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{641441}}^1$

素因数の和:641504

約数の個数: 48

約数和(自身を含む): 10345176576

約数和(自身を除く): 6124494796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 641441, 1282882, 2565764, 3207205, 4490087, 6414410, 8980174, 12828820, 17960348, 22450435, 30147727, 44900870, 60295454, 89801740, 120590908, 150738635, 211034089, 301477270, 422068178, 602954540, 844136356, 1055170445, 2110340890, 4220681780]

約数ペア:

[(1, 4220681780), (2, 2110340890), (4, 1055170445), (5, 844136356), (7, 602954540), (10, 422068178), (14, 301477270), (20, 211034089), (28, 150738635), (35, 120590908), (47, 89801740), (70, 60295454), (94, 44900870), (140, 30147727), (188, 22450435), (235, 17960348), (329, 12828820), (470, 8980174), (658, 6414410), (940, 4490087), (1316, 3207205), (1645, 2565764), (3290, 1282882), (6580, 641441)]