85402660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16487}}^1$

素因数の和:16540

約数の個数: 48

約数和(自身を含む): 210518784

約数和(自身を除く): 125116124

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, 16487, 32974, 65948, 82435, 115409, 164870, 230818, 329740, 461636, 577045, 610019, 1154090, 1220038, 2308180, 2440076, 3050095, 4270133, 6100190, 8540266, 12200380, 17080532, 21350665, 42701330, 85402660]

約数ペア:

[(1, 85402660), (2, 42701330), (4, 21350665), (5, 17080532), (7, 12200380), (10, 8540266), (14, 6100190), (20, 4270133), (28, 3050095), (35, 2440076), (37, 2308180), (70, 1220038), (74, 1154090), (140, 610019), (148, 577045), (185, 461636), (259, 329740), (370, 230818), (518, 164870), (740, 115409), (1036, 82435), (1295, 65948), (2590, 32974), (5180, 16487)]