678452570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2763

約数の個数: 48

約数和(自身を含む): 1307518848

約数和(自身を除く): 629066278

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 361, 710, 722, 1349, 1805, 2647, 2698, 3610, 5294, 6745, 13235, 13490, 25631, 26470, 50293, 51262, 100586, 128155, 187937, 251465, 256310, 375874, 502930, 939685, 955567, 1879370, 1911134, 3570803, 4777835, 7141606, 9555670, 17854015, 35708030, 67845257, 135690514, 339226285, 678452570]

約数ペア:

[(1, 678452570), (2, 339226285), (5, 135690514), (10, 67845257), (19, 35708030), (38, 17854015), (71, 9555670), (95, 7141606), (142, 4777835), (190, 3570803), (355, 1911134), (361, 1879370), (710, 955567), (722, 939685), (1349, 502930), (1805, 375874), (2647, 256310), (2698, 251465), (3610, 187937), (5294, 128155), (6745, 100586), (13235, 51262), (13490, 50293), (25631, 26470)]