157038520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{230939}}^1$

素因数の和:230967

約数の個数: 32

約数和(自身を含む): 374122800

約数和(自身を除く): 217084280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 230939, 461878, 923756, 1154695, 1847512, 2309390, 3925963, 4618780, 7851926, 9237560, 15703852, 19629815, 31407704, 39259630, 78519260, 157038520]

約数ペア:

[(1, 157038520), (2, 78519260), (4, 39259630), (5, 31407704), (8, 19629815), (10, 15703852), (17, 9237560), (20, 7851926), (34, 4618780), (40, 3925963), (68, 2309390), (85, 1847512), (136, 1154695), (170, 923756), (340, 461878), (680, 230939)]