90679780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3361}}^1$

素因数の和:3460

約数の個数: 48

約数和(自身を含む): 203333760

約数和(自身を除く): 112653980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 3361, 5396, 6722, 6745, 13444, 13490, 16805, 26980, 33610, 63859, 67220, 127718, 238631, 255436, 319295, 477262, 638590, 954524, 1193155, 1277180, 2386310, 4533989, 4772620, 9067978, 18135956, 22669945, 45339890, 90679780]

約数ペア:

[(1, 90679780), (2, 45339890), (4, 22669945), (5, 18135956), (10, 9067978), (19, 4772620), (20, 4533989), (38, 2386310), (71, 1277180), (76, 1193155), (95, 954524), (142, 638590), (190, 477262), (284, 319295), (355, 255436), (380, 238631), (710, 127718), (1349, 67220), (1420, 63859), (2698, 33610), (3361, 26980), (5396, 16805), (6722, 13490), (6745, 13444)]