2442220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 5933088

約数和(自身を除く): 3490868

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 653, 748, 935, 1306, 1870, 2612, 3265, 3740, 6530, 7183, 11101, 13060, 14366, 22202, 28732, 35915, 44404, 55505, 71830, 111010, 122111, 143660, 222020, 244222, 488444, 610555, 1221110, 2442220]

約数ペア:

[(1, 2442220), (2, 1221110), (4, 610555), (5, 488444), (10, 244222), (11, 222020), (17, 143660), (20, 122111), (22, 111010), (34, 71830), (44, 55505), (55, 44404), (68, 35915), (85, 28732), (110, 22202), (170, 14366), (187, 13060), (220, 11101), (340, 7183), (374, 6530), (653, 3740), (748, 3265), (935, 2612), (1306, 1870)]