220196620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42509}}^1$

素因数の和:42562

約数の個数: 48

約数和(自身を含む): 542767680

約数和(自身を除く): 322571060

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, 2590, 5180, 42509, 85018, 170036, 212545, 297563, 425090, 595126, 850180, 1190252, 1487815, 1572833, 2975630, 3145666, 5951260, 6291332, 7864165, 11009831, 15728330, 22019662, 31456660, 44039324, 55049155, 110098310, 220196620]

約数ペア:

[(1, 220196620), (2, 110098310), (4, 55049155), (5, 44039324), (7, 31456660), (10, 22019662), (14, 15728330), (20, 11009831), (28, 7864165), (35, 6291332), (37, 5951260), (70, 3145666), (74, 2975630), (140, 1572833), (148, 1487815), (185, 1190252), (259, 850180), (370, 595126), (518, 425090), (740, 297563), (1036, 212545), (1295, 170036), (2590, 85018), (5180, 42509)]