84749140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4621}}^1$

素因数の和:4768

約数の個数: 48

約数和(自身を含む): 204994944

約数和(自身を除く): 120245804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 4621, 9170, 9242, 18340, 18484, 23105, 32347, 46210, 64694, 92420, 129388, 161735, 323470, 605351, 646940, 1210702, 2421404, 3026755, 4237457, 6053510, 8474914, 12107020, 16949828, 21187285, 42374570, 84749140]

約数ペア:

[(1, 84749140), (2, 42374570), (4, 21187285), (5, 16949828), (7, 12107020), (10, 8474914), (14, 6053510), (20, 4237457), (28, 3026755), (35, 2421404), (70, 1210702), (131, 646940), (140, 605351), (262, 323470), (524, 161735), (655, 129388), (917, 92420), (1310, 64694), (1834, 46210), (2620, 32347), (3668, 23105), (4585, 18484), (4621, 18340), (9170, 9242)]