201270190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{919}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 400851360

約数和(自身を除く): 199581170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 181, 242, 362, 605, 905, 919, 1210, 1810, 1838, 1991, 3982, 4595, 9190, 9955, 10109, 19910, 20218, 21901, 43802, 50545, 101090, 109505, 111199, 166339, 219010, 222398, 332678, 555995, 831695, 1111990, 1663390, 1829729, 3659458, 9148645, 18297290, 20127019, 40254038, 100635095, 201270190]

約数ペア:

[(1, 201270190), (2, 100635095), (5, 40254038), (10, 20127019), (11, 18297290), (22, 9148645), (55, 3659458), (110, 1829729), (121, 1663390), (181, 1111990), (242, 831695), (362, 555995), (605, 332678), (905, 222398), (919, 219010), (1210, 166339), (1810, 111199), (1838, 109505), (1991, 101090), (3982, 50545), (4595, 43802), (9190, 21901), (9955, 20218), (10109, 19910)]