4200020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 10196928

約数和(自身を除く): 5996908

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1123, 1870, 2246, 3740, 4492, 5615, 11230, 12353, 19091, 22460, 24706, 38182, 49412, 61765, 76364, 95455, 123530, 190910, 210001, 247060, 381820, 420002, 840004, 1050005, 2100010, 4200020]

約数ペア:

[(1, 4200020), (2, 2100010), (4, 1050005), (5, 840004), (10, 420002), (11, 381820), (17, 247060), (20, 210001), (22, 190910), (34, 123530), (44, 95455), (55, 76364), (68, 61765), (85, 49412), (110, 38182), (170, 24706), (187, 22460), (220, 19091), (340, 12353), (374, 11230), (748, 5615), (935, 4492), (1123, 3740), (1870, 2246)]