83366780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8387}}^1$

素因数の和:8474

約数の個数: 48

約数和(自身を含む): 202922496

約数和(自身を除く): 119555716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8387, 9940, 16774, 33548, 41935, 58709, 83870, 117418, 167740, 234836, 293545, 587090, 595477, 1174180, 1190954, 2381908, 2977385, 4168339, 5954770, 8336678, 11909540, 16673356, 20841695, 41683390, 83366780]

約数ペア:

[(1, 83366780), (2, 41683390), (4, 20841695), (5, 16673356), (7, 11909540), (10, 8336678), (14, 5954770), (20, 4168339), (28, 2977385), (35, 2381908), (70, 1190954), (71, 1174180), (140, 595477), (142, 587090), (284, 293545), (355, 234836), (497, 167740), (710, 117418), (994, 83870), (1420, 58709), (1988, 41935), (2485, 33548), (4970, 16774), (8387, 9940)]