200900920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{811}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 494605440

約数和(自身を除く): 293704520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563, 811, 1126, 1622, 2252, 2815, 3244, 4055, 4504, 5630, 6193, 6488, 8110, 8921, 11260, 12386, 16220, 17842, 22520, 24772, 30965, 32440, 35684, 44605, 49544, 61930, 71368, 89210, 123860, 178420, 247720, 356840, 456593, 913186, 1826372, 2282965, 3652744, 4565930, 5022523, 9131860, 10045046, 18263720, 20090092, 25112615, 40180184, 50225230, 100450460, 200900920]

約数ペア:

[(1, 200900920), (2, 100450460), (4, 50225230), (5, 40180184), (8, 25112615), (10, 20090092), (11, 18263720), (20, 10045046), (22, 9131860), (40, 5022523), (44, 4565930), (55, 3652744), (88, 2282965), (110, 1826372), (220, 913186), (440, 456593), (563, 356840), (811, 247720), (1126, 178420), (1622, 123860), (2252, 89210), (2815, 71368), (3244, 61930), (4055, 49544), (4504, 44605), (5630, 35684), (6193, 32440), (6488, 30965), (8110, 24772), (8921, 22520), (11260, 17842), (12386, 16220)]