71742010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 131706000

約数和(自身を除く): 59963990

約数列:

[1, 2, 5, 10, 89, 149, 178, 298, 445, 541, 745, 890, 1082, 1490, 2705, 5410, 13261, 26522, 48149, 66305, 80609, 96298, 132610, 161218, 240745, 403045, 481490, 806090, 7174201, 14348402, 35871005, 71742010]

約数ペア:

[(1, 71742010), (2, 35871005), (5, 14348402), (10, 7174201), (89, 806090), (149, 481490), (178, 403045), (298, 240745), (445, 161218), (541, 132610), (745, 96298), (890, 80609), (1082, 66305), (1490, 48149), (2705, 26522), (5410, 13261)]