56429380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 139962816

約数和(自身を除く): 83533436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 811, 980, 994, 1420, 1622, 1988, 2485, 3244, 3479, 4055, 4970, 5677, 6958, 8110, 9940, 11354, 13916, 16220, 17395, 22708, 28385, 34790, 39739, 56770, 57581, 69580, 79478, 113540, 115162, 158956, 198695, 230324, 287905, 397390, 403067, 575810, 794780, 806134, 1151620, 1612268, 2015335, 2821469, 4030670, 5642938, 8061340, 11285876, 14107345, 28214690, 56429380]

約数ペア:

[(1, 56429380), (2, 28214690), (4, 14107345), (5, 11285876), (7, 8061340), (10, 5642938), (14, 4030670), (20, 2821469), (28, 2015335), (35, 1612268), (49, 1151620), (70, 806134), (71, 794780), (98, 575810), (140, 403067), (142, 397390), (196, 287905), (245, 230324), (284, 198695), (355, 158956), (490, 115162), (497, 113540), (710, 79478), (811, 69580), (980, 57581), (994, 56770), (1420, 39739), (1622, 34790), (1988, 28385), (2485, 22708), (3244, 17395), (3479, 16220), (4055, 13916), (4970, 11354), (5677, 9940), (6958, 8110)]