124657540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12541}}^1$

素因数の和:12628

約数の個数: 48

約数和(自身を含む): 303416064

約数和(自身を除く): 178758524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 12541, 25082, 50164, 62705, 87787, 125410, 175574, 250820, 351148, 438935, 877870, 890411, 1755740, 1780822, 3561644, 4452055, 6232877, 8904110, 12465754, 17808220, 24931508, 31164385, 62328770, 124657540]

約数ペア:

[(1, 124657540), (2, 62328770), (4, 31164385), (5, 24931508), (7, 17808220), (10, 12465754), (14, 8904110), (20, 6232877), (28, 4452055), (35, 3561644), (70, 1780822), (71, 1755740), (140, 890411), (142, 877870), (284, 438935), (355, 351148), (497, 250820), (710, 175574), (994, 125410), (1420, 87787), (1988, 62705), (2485, 50164), (4970, 25082), (9940, 12541)]