145506520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{49831}}^1$

素因数の和:49915

約数の個数: 32

約数和(自身を含む): 331881120

約数和(自身を除く): 186374600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 49831, 99662, 199324, 249155, 398648, 498310, 996620, 1993240, 3637663, 7275326, 14550652, 18188315, 29101304, 36376630, 72753260, 145506520]

約数ペア:

[(1, 145506520), (2, 72753260), (4, 36376630), (5, 29101304), (8, 18188315), (10, 14550652), (20, 7275326), (40, 3637663), (73, 1993240), (146, 996620), (292, 498310), (365, 398648), (584, 249155), (730, 199324), (1460, 99662), (2920, 49831)]