678742100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5443}}^1$

素因数の和:5529

約数の個数: 72

約数和(自身を含む): 1559379360

約数和(自身を除く): 880637260

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 43, 50, 58, 86, 100, 116, 145, 172, 215, 290, 430, 580, 725, 860, 1075, 1247, 1450, 2150, 2494, 2900, 4300, 4988, 5443, 6235, 10886, 12470, 21772, 24940, 27215, 31175, 54430, 62350, 108860, 124700, 136075, 157847, 234049, 272150, 315694, 468098, 544300, 631388, 789235, 936196, 1170245, 1578470, 2340490, 3156940, 3946175, 4680980, 5851225, 6787421, 7892350, 11702450, 13574842, 15784700, 23404900, 27149684, 33937105, 67874210, 135748420, 169685525, 339371050, 678742100]

約数ペア:

[(1, 678742100), (2, 339371050), (4, 169685525), (5, 135748420), (10, 67874210), (20, 33937105), (25, 27149684), (29, 23404900), (43, 15784700), (50, 13574842), (58, 11702450), (86, 7892350), (100, 6787421), (116, 5851225), (145, 4680980), (172, 3946175), (215, 3156940), (290, 2340490), (430, 1578470), (580, 1170245), (725, 936196), (860, 789235), (1075, 631388), (1247, 544300), (1450, 468098), (2150, 315694), (2494, 272150), (2900, 234049), (4300, 157847), (4988, 136075), (5443, 124700), (6235, 108860), (10886, 62350), (12470, 54430), (21772, 31175), (24940, 27215)]