123608980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4289}}^1$

素因数の和:4440

約数の個数: 48

約数和(自身を含む): 285405120

約数和(自身を除く): 161796140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 4289, 5764, 7205, 8578, 14410, 17156, 21445, 28820, 42890, 47179, 85780, 94358, 188716, 235895, 471790, 561859, 943580, 1123718, 2247436, 2809295, 5618590, 6180449, 11237180, 12360898, 24721796, 30902245, 61804490, 123608980]

約数ペア:

[(1, 123608980), (2, 61804490), (4, 30902245), (5, 24721796), (10, 12360898), (11, 11237180), (20, 6180449), (22, 5618590), (44, 2809295), (55, 2247436), (110, 1123718), (131, 943580), (220, 561859), (262, 471790), (524, 235895), (655, 188716), (1310, 94358), (1441, 85780), (2620, 47179), (2882, 42890), (4289, 28820), (5764, 21445), (7205, 17156), (8578, 14410)]