54211180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 120476160

約数和(自身を除く): 66264980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 431, 662, 862, 1324, 1655, 1724, 2155, 3310, 4310, 6289, 6620, 8189, 8620, 12578, 16378, 25156, 31445, 32756, 40945, 62890, 81890, 125780, 142661, 163780, 285322, 570644, 713305, 1426610, 2710559, 2853220, 5421118, 10842236, 13552795, 27105590, 54211180]

約数ペア:

[(1, 54211180), (2, 27105590), (4, 13552795), (5, 10842236), (10, 5421118), (19, 2853220), (20, 2710559), (38, 1426610), (76, 713305), (95, 570644), (190, 285322), (331, 163780), (380, 142661), (431, 125780), (662, 81890), (862, 62890), (1324, 40945), (1655, 32756), (1724, 31445), (2155, 25156), (3310, 16378), (4310, 12578), (6289, 8620), (6620, 8189)]