248825620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 531216000

約数和(自身を除く): 282390380

約数列:

[1, 2, 4, 5, 10, 20, 101, 199, 202, 398, 404, 505, 619, 796, 995, 1010, 1238, 1990, 2020, 2476, 3095, 3980, 6190, 12380, 20099, 40198, 62519, 80396, 100495, 123181, 125038, 200990, 246362, 250076, 312595, 401980, 492724, 615905, 625190, 1231810, 1250380, 2463620, 12441281, 24882562, 49765124, 62206405, 124412810, 248825620]

約数ペア:

[(1, 248825620), (2, 124412810), (4, 62206405), (5, 49765124), (10, 24882562), (20, 12441281), (101, 2463620), (199, 1250380), (202, 1231810), (398, 625190), (404, 615905), (505, 492724), (619, 401980), (796, 312595), (995, 250076), (1010, 246362), (1238, 200990), (1990, 125038), (2020, 123181), (2476, 100495), (3095, 80396), (3980, 62519), (6190, 40198), (12380, 20099)]