220471972

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 479502240

約数和(自身を除く): 259030268

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 511, 532, 811, 931, 1022, 1387, 1622, 1862, 2044, 2774, 3244, 3577, 3724, 5548, 5677, 7154, 9709, 11354, 14308, 15409, 19418, 22708, 30818, 38836, 39739, 59203, 61636, 67963, 79478, 107863, 118406, 135926, 158956, 215726, 236812, 271852, 414421, 431452, 755041, 828842, 1124857, 1510082, 1657684, 2249714, 2900947, 3020164, 4499428, 5801894, 7873999, 11603788, 15747998, 31495996, 55117993, 110235986, 220471972]

約数ペア:

[(1, 220471972), (2, 110235986), (4, 55117993), (7, 31495996), (14, 15747998), (19, 11603788), (28, 7873999), (38, 5801894), (49, 4499428), (73, 3020164), (76, 2900947), (98, 2249714), (133, 1657684), (146, 1510082), (196, 1124857), (266, 828842), (292, 755041), (511, 431452), (532, 414421), (811, 271852), (931, 236812), (1022, 215726), (1387, 158956), (1622, 135926), (1862, 118406), (2044, 107863), (2774, 79478), (3244, 67963), (3577, 61636), (3724, 59203), (5548, 39739), (5677, 38836), (7154, 30818), (9709, 22708), (11354, 19418), (14308, 15409)]