209374220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13037}}^1$

素因数の和:13130

約数の個数: 48

約数和(自身を含む): 486265248

約数和(自身を除く): 276891028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 13037, 16060, 26074, 52148, 65185, 130370, 143407, 260740, 286814, 573628, 717035, 951701, 1434070, 1903402, 2868140, 3806804, 4758505, 9517010, 10468711, 19034020, 20937422, 41874844, 52343555, 104687110, 209374220]

約数ペア:

[(1, 209374220), (2, 104687110), (4, 52343555), (5, 41874844), (10, 20937422), (11, 19034020), (20, 10468711), (22, 9517010), (44, 4758505), (55, 3806804), (73, 2868140), (110, 1903402), (146, 1434070), (220, 951701), (292, 717035), (365, 573628), (730, 286814), (803, 260740), (1460, 143407), (1606, 130370), (3212, 65185), (4015, 52148), (8030, 26074), (13037, 16060)]