221555260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1907}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 481136544

約数和(自身を除く): 259581284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 628, 740, 785, 1570, 1907, 3140, 3814, 5809, 7628, 9535, 11618, 19070, 23236, 29045, 38140, 58090, 70559, 116180, 141118, 282236, 299399, 352795, 598798, 705590, 1197596, 1411180, 1496995, 2993990, 5987980, 11077763, 22155526, 44311052, 55388815, 110777630, 221555260]

約数ペア:

[(1, 221555260), (2, 110777630), (4, 55388815), (5, 44311052), (10, 22155526), (20, 11077763), (37, 5987980), (74, 2993990), (148, 1496995), (157, 1411180), (185, 1197596), (314, 705590), (370, 598798), (628, 352795), (740, 299399), (785, 282236), (1570, 141118), (1907, 116180), (3140, 70559), (3814, 58090), (5809, 38140), (7628, 29045), (9535, 23236), (11618, 19070)]