1681223780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1\times {\mathrm{1319}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 3573884160

約数和(自身を除く): 1892660380

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 631, 1010, 1262, 1319, 2020, 2524, 2638, 3155, 5276, 6310, 6595, 12620, 13190, 26380, 63731, 127462, 133219, 254924, 266438, 318655, 532876, 637310, 666095, 832289, 1274620, 1332190, 1664578, 2664380, 3329156, 4161445, 8322890, 16645780, 84061189, 168122378, 336244756, 420305945, 840611890, 1681223780]

約数ペア:

[(1, 1681223780), (2, 840611890), (4, 420305945), (5, 336244756), (10, 168122378), (20, 84061189), (101, 16645780), (202, 8322890), (404, 4161445), (505, 3329156), (631, 2664380), (1010, 1664578), (1262, 1332190), (1319, 1274620), (2020, 832289), (2524, 666095), (2638, 637310), (3155, 532876), (5276, 318655), (6310, 266438), (6595, 254924), (12620, 133219), (13190, 127462), (26380, 63731)]