200809784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2500

約数の個数: 64

約数和(自身を含む): 458880000

約数和(自身を除く): 258070216

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 266, 316, 532, 553, 632, 1064, 1106, 1501, 2212, 2389, 3002, 4424, 4778, 6004, 9556, 10507, 12008, 16723, 19112, 21014, 33446, 42028, 45391, 66892, 84056, 90782, 133784, 181564, 188731, 317737, 363128, 377462, 635474, 754924, 1270948, 1321117, 1509848, 2541896, 2642234, 3585889, 5284468, 7171778, 10568936, 14343556, 25101223, 28687112, 50202446, 100404892, 200809784]

約数ペア:

[(1, 200809784), (2, 100404892), (4, 50202446), (7, 28687112), (8, 25101223), (14, 14343556), (19, 10568936), (28, 7171778), (38, 5284468), (56, 3585889), (76, 2642234), (79, 2541896), (133, 1509848), (152, 1321117), (158, 1270948), (266, 754924), (316, 635474), (532, 377462), (553, 363128), (632, 317737), (1064, 188731), (1106, 181564), (1501, 133784), (2212, 90782), (2389, 84056), (3002, 66892), (4424, 45391), (4778, 42028), (6004, 33446), (9556, 21014), (10507, 19112), (12008, 16723)]