139884920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2791}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 361843200

約数和(自身を除く): 221958280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1790, 2506, 2791, 3580, 5012, 5582, 6265, 7160, 10024, 11164, 12530, 13955, 19537, 22328, 25060, 27910, 39074, 50120, 55820, 78148, 97685, 111640, 156296, 195370, 390740, 499589, 781480, 999178, 1998356, 2497945, 3497123, 3996712, 4995890, 6994246, 9991780, 13988492, 17485615, 19983560, 27976984, 34971230, 69942460, 139884920]

約数ペア:

[(1, 139884920), (2, 69942460), (4, 34971230), (5, 27976984), (7, 19983560), (8, 17485615), (10, 13988492), (14, 9991780), (20, 6994246), (28, 4995890), (35, 3996712), (40, 3497123), (56, 2497945), (70, 1998356), (140, 999178), (179, 781480), (280, 499589), (358, 390740), (716, 195370), (895, 156296), (1253, 111640), (1432, 97685), (1790, 78148), (2506, 55820), (2791, 50120), (3580, 39074), (5012, 27910), (5582, 25060), (6265, 22328), (7160, 19537), (10024, 13955), (11164, 12530)]