105220940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1861}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 242119584

約数和(自身を除く): 136898644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 1861, 2570, 2827, 3722, 5140, 5654, 7444, 9305, 11308, 14135, 18610, 20471, 28270, 37220, 40942, 56540, 81884, 102355, 204710, 409420, 478277, 956554, 1913108, 2391385, 4782770, 5261047, 9565540, 10522094, 21044188, 26305235, 52610470, 105220940]

約数ペア:

[(1, 105220940), (2, 52610470), (4, 26305235), (5, 21044188), (10, 10522094), (11, 9565540), (20, 5261047), (22, 4782770), (44, 2391385), (55, 1913108), (110, 956554), (220, 478277), (257, 409420), (514, 204710), (1028, 102355), (1285, 81884), (1861, 56540), (2570, 40942), (2827, 37220), (3722, 28270), (5140, 20471), (5654, 18610), (7444, 14135), (9305, 11308)]