260704990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{40927}}^1$

素因数の和:40961

約数の個数: 48

約数和(自身を含む): 587889792

約数和(自身を除く): 327184802

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 40927, 81854, 204635, 286489, 409270, 532051, 572978, 1064102, 1432445, 2005423, 2660255, 2864890, 3724357, 4010846, 5320510, 7448714, 10027115, 18621785, 20054230, 26070499, 37243570, 52140998, 130352495, 260704990]

約数ペア:

[(1, 260704990), (2, 130352495), (5, 52140998), (7, 37243570), (10, 26070499), (13, 20054230), (14, 18621785), (26, 10027115), (35, 7448714), (49, 5320510), (65, 4010846), (70, 3724357), (91, 2864890), (98, 2660255), (130, 2005423), (182, 1432445), (245, 1064102), (455, 572978), (490, 532051), (637, 409270), (910, 286489), (1274, 204635), (3185, 81854), (6370, 40927)]