205486540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1307}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 493984512

約数和(自身を除く): 288497972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1123, 1307, 2246, 2614, 4492, 5228, 5615, 6535, 7861, 9149, 11230, 13070, 15722, 18298, 22460, 26140, 31444, 36596, 39305, 45745, 78610, 91490, 157220, 182980, 1467761, 2935522, 5871044, 7338805, 10274327, 14677610, 20548654, 29355220, 41097308, 51371635, 102743270, 205486540]

約数ペア:

[(1, 205486540), (2, 102743270), (4, 51371635), (5, 41097308), (7, 29355220), (10, 20548654), (14, 14677610), (20, 10274327), (28, 7338805), (35, 5871044), (70, 2935522), (140, 1467761), (1123, 182980), (1307, 157220), (2246, 91490), (2614, 78610), (4492, 45745), (5228, 39305), (5615, 36596), (6535, 31444), (7861, 26140), (9149, 22460), (11230, 18298), (13070, 15722)]