281454103660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6607}}^1\times {\mathrm{19541}}^1$

素因数の和:26266

約数の個数: 48

約数和(自身を含む): 596596936320

約数和(自身を除く): 315142832660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6607, 13214, 19541, 26428, 33035, 39082, 66070, 78164, 97705, 132140, 195410, 390820, 720163, 1440326, 2129969, 2880652, 3600815, 4259938, 7201630, 8519876, 10649845, 14403260, 21299690, 42599380, 129107387, 258214774, 516429548, 645536935, 1291073870, 2582147740, 14072705183, 28145410366, 56290820732, 70363525915, 140727051830, 281454103660]

約数ペア:

[(1, 281454103660), (2, 140727051830), (4, 70363525915), (5, 56290820732), (10, 28145410366), (20, 14072705183), (109, 2582147740), (218, 1291073870), (436, 645536935), (545, 516429548), (1090, 258214774), (2180, 129107387), (6607, 42599380), (13214, 21299690), (19541, 14403260), (26428, 10649845), (33035, 8519876), (39082, 7201630), (66070, 4259938), (78164, 3600815), (97705, 2880652), (132140, 2129969), (195410, 1440326), (390820, 720163)]