180908090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{56711}}^1$

素因数の和:56758

約数の個数: 32

約数和(自身を含む): 367493760

約数和(自身を除く): 186585670

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 56711, 113422, 283555, 567110, 623821, 1247642, 1644619, 3119105, 3289238, 6238210, 8223095, 16446190, 18090809, 36181618, 90454045, 180908090]

約数ペア:

[(1, 180908090), (2, 90454045), (5, 36181618), (10, 18090809), (11, 16446190), (22, 8223095), (29, 6238210), (55, 3289238), (58, 3119105), (110, 1644619), (145, 1247642), (290, 623821), (319, 567110), (638, 283555), (1595, 113422), (3190, 56711)]