269960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 644760

約数和(自身を除く): 374800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 397, 680, 794, 1588, 1985, 3176, 3970, 6749, 7940, 13498, 15880, 26996, 33745, 53992, 67490, 134980, 269960]

約数ペア:

[(1, 269960), (2, 134980), (4, 67490), (5, 53992), (8, 33745), (10, 26996), (17, 15880), (20, 13498), (34, 7940), (40, 6749), (68, 3970), (85, 3176), (136, 1985), (170, 1588), (340, 794), (397, 680)]