323137400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 777606480

約数和(自身を除く): 454469080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 157, 164, 200, 205, 251, 314, 328, 410, 502, 628, 785, 820, 1004, 1025, 1255, 1256, 1570, 1640, 2008, 2050, 2510, 3140, 3925, 4100, 5020, 6275, 6280, 6437, 7850, 8200, 10040, 10291, 12550, 12874, 15700, 20582, 25100, 25748, 31400, 32185, 39407, 41164, 50200, 51455, 51496, 64370, 78814, 82328, 102910, 128740, 157628, 160925, 197035, 205820, 257275, 257480, 315256, 321850, 394070, 411640, 514550, 643700, 788140, 985175, 1029100, 1287400, 1576280, 1615687, 1970350, 2058200, 3231374, 3940700, 6462748, 7881400, 8078435, 12925496, 16156870, 32313740, 40392175, 64627480, 80784350, 161568700, 323137400]

約数ペア:

[(1, 323137400), (2, 161568700), (4, 80784350), (5, 64627480), (8, 40392175), (10, 32313740), (20, 16156870), (25, 12925496), (40, 8078435), (41, 7881400), (50, 6462748), (82, 3940700), (100, 3231374), (157, 2058200), (164, 1970350), (200, 1615687), (205, 1576280), (251, 1287400), (314, 1029100), (328, 985175), (410, 788140), (502, 643700), (628, 514550), (785, 411640), (820, 394070), (1004, 321850), (1025, 315256), (1255, 257480), (1256, 257275), (1570, 205820), (1640, 197035), (2008, 160925), (2050, 157628), (2510, 128740), (3140, 102910), (3925, 82328), (4100, 78814), (5020, 64370), (6275, 51496), (6280, 51455), (6437, 50200), (7850, 41164), (8200, 39407), (10040, 32185), (10291, 31400), (12550, 25748), (12874, 25100), (15700, 20582)]