197172520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{104879}}^1$

素因数の和:104937

約数の個数: 32

約数和(自身を含む): 453081600

約数和(自身を除く): 255909080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 104879, 209758, 419516, 524395, 839032, 1048790, 2097580, 4195160, 4929313, 9858626, 19717252, 24646565, 39434504, 49293130, 98586260, 197172520]

約数ペア:

[(1, 197172520), (2, 98586260), (4, 49293130), (5, 39434504), (8, 24646565), (10, 19717252), (20, 9858626), (40, 4929313), (47, 4195160), (94, 2097580), (188, 1048790), (235, 839032), (376, 524395), (470, 419516), (940, 209758), (1880, 104879)]