144438520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{76829}}^1$

素因数の和:76887

約数の個数: 32

約数和(自身を含む): 331905600

約数和(自身を除く): 187467080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 76829, 153658, 307316, 384145, 614632, 768290, 1536580, 3073160, 3610963, 7221926, 14443852, 18054815, 28887704, 36109630, 72219260, 144438520]

約数ペア:

[(1, 144438520), (2, 72219260), (4, 36109630), (5, 28887704), (8, 18054815), (10, 14443852), (20, 7221926), (40, 3610963), (47, 3073160), (94, 1536580), (188, 768290), (235, 614632), (376, 384145), (470, 307316), (940, 153658), (1880, 76829)]