51080540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 127552320

約数和(自身を除く): 76471780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1109, 1316, 1645, 2218, 2303, 3290, 4436, 4606, 5545, 6580, 7763, 9212, 11090, 11515, 15526, 22180, 23030, 31052, 38815, 46060, 52123, 54341, 77630, 104246, 108682, 155260, 208492, 217364, 260615, 271705, 364861, 521230, 543410, 729722, 1042460, 1086820, 1459444, 1824305, 2554027, 3648610, 5108054, 7297220, 10216108, 12770135, 25540270, 51080540]

約数ペア:

[(1, 51080540), (2, 25540270), (4, 12770135), (5, 10216108), (7, 7297220), (10, 5108054), (14, 3648610), (20, 2554027), (28, 1824305), (35, 1459444), (47, 1086820), (49, 1042460), (70, 729722), (94, 543410), (98, 521230), (140, 364861), (188, 271705), (196, 260615), (235, 217364), (245, 208492), (329, 155260), (470, 108682), (490, 104246), (658, 77630), (940, 54341), (980, 52123), (1109, 46060), (1316, 38815), (1645, 31052), (2218, 23030), (2303, 22180), (3290, 15526), (4436, 11515), (4606, 11090), (5545, 9212), (6580, 7763)]