13885480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 36132480

約数和(自身を除く): 22247000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 491, 505, 707, 808, 982, 1010, 1414, 1964, 2020, 2455, 2828, 3437, 3535, 3928, 4040, 4910, 5656, 6874, 7070, 9820, 13748, 14140, 17185, 19640, 27496, 28280, 34370, 49591, 68740, 99182, 137480, 198364, 247955, 347137, 396728, 495910, 694274, 991820, 1388548, 1735685, 1983640, 2777096, 3471370, 6942740, 13885480]

約数ペア:

[(1, 13885480), (2, 6942740), (4, 3471370), (5, 2777096), (7, 1983640), (8, 1735685), (10, 1388548), (14, 991820), (20, 694274), (28, 495910), (35, 396728), (40, 347137), (56, 247955), (70, 198364), (101, 137480), (140, 99182), (202, 68740), (280, 49591), (404, 34370), (491, 28280), (505, 27496), (707, 19640), (808, 17185), (982, 14140), (1010, 13748), (1414, 9820), (1964, 7070), (2020, 6874), (2455, 5656), (2828, 4910), (3437, 4040), (3535, 3928)]