56985460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{829}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 137208960

約数和(自身を除く): 80223500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 829, 982, 1658, 1964, 2455, 3316, 3437, 4145, 4910, 5803, 6874, 8290, 9820, 11606, 13748, 16580, 17185, 23212, 29015, 34370, 58030, 68740, 116060, 407039, 814078, 1628156, 2035195, 2849273, 4070390, 5698546, 8140780, 11397092, 14246365, 28492730, 56985460]

約数ペア:

[(1, 56985460), (2, 28492730), (4, 14246365), (5, 11397092), (7, 8140780), (10, 5698546), (14, 4070390), (20, 2849273), (28, 2035195), (35, 1628156), (70, 814078), (140, 407039), (491, 116060), (829, 68740), (982, 58030), (1658, 34370), (1964, 29015), (2455, 23212), (3316, 17185), (3437, 16580), (4145, 13748), (4910, 11606), (5803, 9820), (6874, 8290)]