84631540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4349}}^1$

素因数の和:4504

約数の個数: 48

約数和(自身を含む): 204624000

約数和(自身を除く): 119992460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4349, 4865, 8698, 9730, 17396, 19460, 21745, 30443, 43490, 60886, 86980, 121772, 152215, 304430, 604511, 608860, 1209022, 2418044, 3022555, 4231577, 6045110, 8463154, 12090220, 16926308, 21157885, 42315770, 84631540]

約数ペア:

[(1, 84631540), (2, 42315770), (4, 21157885), (5, 16926308), (7, 12090220), (10, 8463154), (14, 6045110), (20, 4231577), (28, 3022555), (35, 2418044), (70, 1209022), (139, 608860), (140, 604511), (278, 304430), (556, 152215), (695, 121772), (973, 86980), (1390, 60886), (1946, 43490), (2780, 30443), (3892, 21745), (4349, 19460), (4865, 17396), (8698, 9730)]