206910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 72

約数和(自身を含む): 622440

約数和(自身を除く): 415530

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 121, 165, 171, 190, 198, 209, 242, 285, 330, 342, 363, 418, 495, 570, 605, 627, 726, 855, 990, 1045, 1089, 1210, 1254, 1710, 1815, 1881, 2090, 2178, 2299, 3135, 3630, 3762, 4598, 5445, 6270, 6897, 9405, 10890, 11495, 13794, 18810, 20691, 22990, 34485, 41382, 68970, 103455, 206910]

約数ペア:

[(1, 206910), (2, 103455), (3, 68970), (5, 41382), (6, 34485), (9, 22990), (10, 20691), (11, 18810), (15, 13794), (18, 11495), (19, 10890), (22, 9405), (30, 6897), (33, 6270), (38, 5445), (45, 4598), (55, 3762), (57, 3630), (66, 3135), (90, 2299), (95, 2178), (99, 2090), (110, 1881), (114, 1815), (121, 1710), (165, 1254), (171, 1210), (190, 1089), (198, 1045), (209, 990), (242, 855), (285, 726), (330, 627), (342, 605), (363, 570), (418, 495)]