200707420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 427392000

約数和(自身を除く): 226684580

約数列:

[1, 2, 4, 5, 10, 20, 199, 211, 239, 398, 422, 478, 796, 844, 956, 995, 1055, 1195, 1990, 2110, 2390, 3980, 4220, 4780, 41989, 47561, 50429, 83978, 95122, 100858, 167956, 190244, 201716, 209945, 237805, 252145, 419890, 475610, 504290, 839780, 951220, 1008580, 10035371, 20070742, 40141484, 50176855, 100353710, 200707420]

約数ペア:

[(1, 200707420), (2, 100353710), (4, 50176855), (5, 40141484), (10, 20070742), (20, 10035371), (199, 1008580), (211, 951220), (239, 839780), (398, 504290), (422, 475610), (478, 419890), (796, 252145), (844, 237805), (956, 209945), (995, 201716), (1055, 190244), (1195, 167956), (1990, 100858), (2110, 95122), (2390, 83978), (3980, 50429), (4220, 47561), (4780, 41989)]