8396780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 20709696

約数和(自身を除く): 12312916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1621, 2590, 3242, 5180, 6484, 8105, 11347, 16210, 22694, 32420, 45388, 56735, 59977, 113470, 119954, 226940, 239908, 299885, 419839, 599770, 839678, 1199540, 1679356, 2099195, 4198390, 8396780]

約数ペア:

[(1, 8396780), (2, 4198390), (4, 2099195), (5, 1679356), (7, 1199540), (10, 839678), (14, 599770), (20, 419839), (28, 299885), (35, 239908), (37, 226940), (70, 119954), (74, 113470), (140, 59977), (148, 56735), (185, 45388), (259, 32420), (370, 22694), (518, 16210), (740, 11347), (1036, 8105), (1295, 6484), (1621, 5180), (2590, 3242)]