199791320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 460615680

約数和(自身を除く): 260824360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 127, 134, 254, 268, 335, 508, 536, 587, 635, 670, 1016, 1174, 1270, 1340, 2348, 2540, 2680, 2935, 4696, 5080, 5870, 8509, 11740, 17018, 23480, 34036, 39329, 42545, 68072, 74549, 78658, 85090, 149098, 157316, 170180, 196645, 298196, 314632, 340360, 372745, 393290, 596392, 745490, 786580, 1490980, 1573160, 2981960, 4994783, 9989566, 19979132, 24973915, 39958264, 49947830, 99895660, 199791320]

約数ペア:

[(1, 199791320), (2, 99895660), (4, 49947830), (5, 39958264), (8, 24973915), (10, 19979132), (20, 9989566), (40, 4994783), (67, 2981960), (127, 1573160), (134, 1490980), (254, 786580), (268, 745490), (335, 596392), (508, 393290), (536, 372745), (587, 340360), (635, 314632), (670, 298196), (1016, 196645), (1174, 170180), (1270, 157316), (1340, 149098), (2348, 85090), (2540, 78658), (2680, 74549), (2935, 68072), (4696, 42545), (5080, 39329), (5870, 34036), (8509, 23480), (11740, 17018)]