85715980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10037}}^1$

素因数の和:10114

約数の個数: 48

約数和(自身を含む): 209111616

約数和(自身を除く): 123395636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 10037, 20074, 40148, 50185, 70259, 100370, 140518, 200740, 281036, 351295, 612257, 702590, 1224514, 1405180, 2449028, 3061285, 4285799, 6122570, 8571598, 12245140, 17143196, 21428995, 42857990, 85715980]

約数ペア:

[(1, 85715980), (2, 42857990), (4, 21428995), (5, 17143196), (7, 12245140), (10, 8571598), (14, 6122570), (20, 4285799), (28, 3061285), (35, 2449028), (61, 1405180), (70, 1224514), (122, 702590), (140, 612257), (244, 351295), (305, 281036), (427, 200740), (610, 140518), (854, 100370), (1220, 70259), (1708, 50185), (2135, 40148), (4270, 20074), (8540, 10037)]