156929720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{230779}}^1$

素因数の和:230807

約数の個数: 32

約数和(自身を含む): 373863600

約数和(自身を除く): 216933880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 230779, 461558, 923116, 1153895, 1846232, 2307790, 3923243, 4615580, 7846486, 9231160, 15692972, 19616215, 31385944, 39232430, 78464860, 156929720]

約数ペア:

[(1, 156929720), (2, 78464860), (4, 39232430), (5, 31385944), (8, 19616215), (10, 15692972), (17, 9231160), (20, 7846486), (34, 4615580), (40, 3923243), (68, 2307790), (85, 1846232), (136, 1153895), (170, 923116), (340, 461558), (680, 230779)]