201793960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 462672000

約数和(自身を除く): 260878040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 199, 202, 251, 398, 404, 502, 505, 796, 808, 995, 1004, 1010, 1255, 1592, 1990, 2008, 2020, 2510, 3980, 4040, 5020, 7960, 10040, 20099, 25351, 40198, 49949, 50702, 80396, 99898, 100495, 101404, 126755, 160792, 199796, 200990, 202808, 249745, 253510, 399592, 401980, 499490, 507020, 803960, 998980, 1014040, 1997960, 5044849, 10089698, 20179396, 25224245, 40358792, 50448490, 100896980, 201793960]

約数ペア:

[(1, 201793960), (2, 100896980), (4, 50448490), (5, 40358792), (8, 25224245), (10, 20179396), (20, 10089698), (40, 5044849), (101, 1997960), (199, 1014040), (202, 998980), (251, 803960), (398, 507020), (404, 499490), (502, 401980), (505, 399592), (796, 253510), (808, 249745), (995, 202808), (1004, 200990), (1010, 199796), (1255, 160792), (1592, 126755), (1990, 101404), (2008, 100495), (2020, 99898), (2510, 80396), (3980, 50702), (4040, 49949), (5020, 40198), (7960, 25351), (10040, 20099)]