219243420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{110729}}^1$

素因数の和:110755

約数の個数: 72

約数和(自身を含む): 725502960

約数和(自身を除く): 506259540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 110729, 221458, 332187, 442916, 553645, 664374, 996561, 1107290, 1218019, 1328748, 1660935, 1993122, 2214580, 2436038, 3321870, 3654057, 3986244, 4872076, 4982805, 6090095, 6643740, 7308114, 9965610, 10962171, 12180190, 14616228, 18270285, 19931220, 21924342, 24360380, 36540570, 43848684, 54810855, 73081140, 109621710, 219243420]

約数ペア:

[(1, 219243420), (2, 109621710), (3, 73081140), (4, 54810855), (5, 43848684), (6, 36540570), (9, 24360380), (10, 21924342), (11, 19931220), (12, 18270285), (15, 14616228), (18, 12180190), (20, 10962171), (22, 9965610), (30, 7308114), (33, 6643740), (36, 6090095), (44, 4982805), (45, 4872076), (55, 3986244), (60, 3654057), (66, 3321870), (90, 2436038), (99, 2214580), (110, 1993122), (132, 1660935), (165, 1328748), (180, 1218019), (198, 1107290), (220, 996561), (330, 664374), (396, 553645), (495, 442916), (660, 332187), (990, 221458), (1980, 110729)]