2080490908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{857}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 3834230400

約数和(自身を除く): 1753739492

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 349, 698, 857, 1396, 1714, 1739, 3428, 3478, 6956, 12913, 16403, 25826, 31709, 32806, 40279, 51652, 63418, 65612, 80558, 126836, 161116, 299093, 598186, 606911, 1196372, 1213822, 1490323, 2427644, 2980646, 5961292, 11066441, 14057371, 22132882, 28114742, 44265764, 56229484, 520122727, 1040245454, 2080490908]

約数ペア:

[(1, 2080490908), (2, 1040245454), (4, 520122727), (37, 56229484), (47, 44265764), (74, 28114742), (94, 22132882), (148, 14057371), (188, 11066441), (349, 5961292), (698, 2980646), (857, 2427644), (1396, 1490323), (1714, 1213822), (1739, 1196372), (3428, 606911), (3478, 598186), (6956, 299093), (12913, 161116), (16403, 126836), (25826, 80558), (31709, 65612), (32806, 63418), (40279, 51652)]