1125778820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{6899}}^1$

素因数の和:7148

約数の個数: 48

約数和(自身を含む): 2434320000

約数和(自身を除く): 1308541180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1990, 3980, 6899, 8159, 13798, 16318, 27596, 32636, 34495, 40795, 68990, 81590, 137980, 163180, 282859, 565718, 1131436, 1372901, 1414295, 2745802, 2828590, 5491604, 5657180, 6864505, 13729010, 27458020, 56288941, 112577882, 225155764, 281444705, 562889410, 1125778820]

約数ペア:

[(1, 1125778820), (2, 562889410), (4, 281444705), (5, 225155764), (10, 112577882), (20, 56288941), (41, 27458020), (82, 13729010), (164, 6864505), (199, 5657180), (205, 5491604), (398, 2828590), (410, 2745802), (796, 1414295), (820, 1372901), (995, 1131436), (1990, 565718), (3980, 282859), (6899, 163180), (8159, 137980), (13798, 81590), (16318, 68990), (27596, 40795), (32636, 34495)]