444040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 1059480

約数和(自身を除く): 615440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 653, 680, 1306, 2612, 3265, 5224, 6530, 11101, 13060, 22202, 26120, 44404, 55505, 88808, 111010, 222020, 444040]

約数ペア:

[(1, 444040), (2, 222020), (4, 111010), (5, 88808), (8, 55505), (10, 44404), (17, 26120), (20, 22202), (34, 13060), (40, 11101), (68, 6530), (85, 5224), (136, 3265), (170, 2612), (340, 1306), (653, 680)]