291013040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{49831}}^1$

素因数の和:49917

約数の個数: 40

約数和(自身を含む): 685887648

約数和(自身を除く): 394874608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 49831, 99662, 199324, 249155, 398648, 498310, 797296, 996620, 1993240, 3637663, 3986480, 7275326, 14550652, 18188315, 29101304, 36376630, 58202608, 72753260, 145506520, 291013040]

約数ペア:

[(1, 291013040), (2, 145506520), (4, 72753260), (5, 58202608), (8, 36376630), (10, 29101304), (16, 18188315), (20, 14550652), (40, 7275326), (73, 3986480), (80, 3637663), (146, 1993240), (292, 996620), (365, 797296), (584, 498310), (730, 398648), (1168, 249155), (1460, 199324), (2920, 99662), (5840, 49831)]