2085280280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{14437}}^1$

素因数の和:14628

約数の個数: 64

約数和(自身を含む): 4927400640

約数和(自身を除く): 2842120360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 314, 460, 628, 785, 920, 1256, 1570, 3140, 3611, 6280, 7222, 14437, 14444, 18055, 28874, 28888, 36110, 57748, 72185, 72220, 115496, 144370, 144440, 288740, 332051, 577480, 664102, 1328204, 1660255, 2266609, 2656408, 3320510, 4533218, 6641020, 9066436, 11333045, 13282040, 18132872, 22666090, 45332180, 52132007, 90664360, 104264014, 208528028, 260660035, 417056056, 521320070, 1042640140, 2085280280]

約数ペア:

[(1, 2085280280), (2, 1042640140), (4, 521320070), (5, 417056056), (8, 260660035), (10, 208528028), (20, 104264014), (23, 90664360), (40, 52132007), (46, 45332180), (92, 22666090), (115, 18132872), (157, 13282040), (184, 11333045), (230, 9066436), (314, 6641020), (460, 4533218), (628, 3320510), (785, 2656408), (920, 2266609), (1256, 1660255), (1570, 1328204), (3140, 664102), (3611, 577480), (6280, 332051), (7222, 288740), (14437, 144440), (14444, 144370), (18055, 115496), (28874, 72220), (28888, 72185), (36110, 57748)]