291233560

素因数分解:

$2^3\times 5^1\times {\mathrm{2111}}^1\times {\mathrm{3449}}^1$

素因数の和:5571

約数の個数: 32

約数和(自身を含む): 655776000

約数和(自身を除く): 364542440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2111, 3449, 4222, 6898, 8444, 10555, 13796, 16888, 17245, 21110, 27592, 34490, 42220, 68980, 84440, 137960, 7280839, 14561678, 29123356, 36404195, 58246712, 72808390, 145616780, 291233560]

約数ペア:

[(1, 291233560), (2, 145616780), (4, 72808390), (5, 58246712), (8, 36404195), (10, 29123356), (20, 14561678), (40, 7280839), (2111, 137960), (3449, 84440), (4222, 68980), (6898, 42220), (8444, 34490), (10555, 27592), (13796, 21110), (16888, 17245)]