129343820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{380423}}^1$

素因数の和:380449

約数の個数: 24

約数和(自身を含む): 287600544

約数和(自身を除く): 158256724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 380423, 760846, 1521692, 1902115, 3804230, 6467191, 7608460, 12934382, 25868764, 32335955, 64671910, 129343820]

約数ペア:

[(1, 129343820), (2, 64671910), (4, 32335955), (5, 25868764), (10, 12934382), (17, 7608460), (20, 6467191), (34, 3804230), (68, 1902115), (85, 1521692), (170, 760846), (340, 380423)]