289300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 687456

約数和(自身を除く): 398156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 263, 275, 526, 550, 1052, 1100, 1315, 2630, 2893, 5260, 5786, 6575, 11572, 13150, 14465, 26300, 28930, 57860, 72325, 144650, 289300]

約数ペア:

[(1, 289300), (2, 144650), (4, 72325), (5, 57860), (10, 28930), (11, 26300), (20, 14465), (22, 13150), (25, 11572), (44, 6575), (50, 5786), (55, 5260), (100, 2893), (110, 2630), (220, 1315), (263, 1100), (275, 1052), (526, 550)]