8210930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 18529560

約数和(自身を除く): 10318630

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, 1289, 2578, 3185, 6370, 6445, 9023, 12890, 16757, 18046, 33514, 45115, 63161, 83785, 90230, 117299, 126322, 167570, 234598, 315805, 586495, 631610, 821093, 1172990, 1642186, 4105465, 8210930]

約数ペア:

[(1, 8210930), (2, 4105465), (5, 1642186), (7, 1172990), (10, 821093), (13, 631610), (14, 586495), (26, 315805), (35, 234598), (49, 167570), (65, 126322), (70, 117299), (91, 90230), (98, 83785), (130, 63161), (182, 45115), (245, 33514), (455, 18046), (490, 16757), (637, 12890), (910, 9023), (1274, 6445), (1289, 6370), (2578, 3185)]