197378320

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19427}}^1$

素因数の和:19567

約数の個数: 40

約数和(自身を含む): 462541824

約数和(自身を除く): 265163504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 19427, 38854, 77708, 97135, 155416, 194270, 310832, 388540, 777080, 1554160, 2467229, 4934458, 9868916, 12336145, 19737832, 24672290, 39475664, 49344580, 98689160, 197378320]

約数ペア:

[(1, 197378320), (2, 98689160), (4, 49344580), (5, 39475664), (8, 24672290), (10, 19737832), (16, 12336145), (20, 9868916), (40, 4934458), (80, 2467229), (127, 1554160), (254, 777080), (508, 388540), (635, 310832), (1016, 194270), (1270, 155416), (2032, 97135), (2540, 77708), (5080, 38854), (10160, 19427)]