208736010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{787}}^1$

素因数の和:1228

約数の個数: 96

約数和(自身を含む): 622507392

約数和(自身を除く): 413771382

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 421, 630, 787, 842, 1263, 1574, 2105, 2361, 2526, 2947, 3789, 3935, 4210, 4722, 5509, 5894, 6315, 7083, 7578, 7870, 8841, 11018, 11805, 12630, 14166, 14735, 16527, 17682, 18945, 23610, 26523, 27545, 29470, 33054, 35415, 37890, 44205, 49581, 53046, 55090, 70830, 82635, 88410, 99162, 132615, 165270, 247905, 265230, 331327, 495810, 662654, 993981, 1656635, 1987962, 2319289, 2981943, 3313270, 4638578, 4969905, 5963886, 6957867, 9939810, 11596445, 13915734, 14909715, 20873601, 23192890, 29819430, 34789335, 41747202, 69578670, 104368005, 208736010]

約数ペア:

[(1, 208736010), (2, 104368005), (3, 69578670), (5, 41747202), (6, 34789335), (7, 29819430), (9, 23192890), (10, 20873601), (14, 14909715), (15, 13915734), (18, 11596445), (21, 9939810), (30, 6957867), (35, 5963886), (42, 4969905), (45, 4638578), (63, 3313270), (70, 2981943), (90, 2319289), (105, 1987962), (126, 1656635), (210, 993981), (315, 662654), (421, 495810), (630, 331327), (787, 265230), (842, 247905), (1263, 165270), (1574, 132615), (2105, 99162), (2361, 88410), (2526, 82635), (2947, 70830), (3789, 55090), (3935, 53046), (4210, 49581), (4722, 44205), (5509, 37890), (5894, 35415), (6315, 33054), (7083, 29470), (7578, 27545), (7870, 26523), (8841, 23610), (11018, 18945), (11805, 17682), (12630, 16527), (14166, 14735)]