220985884

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59341}}^1$

素因数の和:59378

約数の個数: 36

約数和(自身を含む): 473549160

約数和(自身を除く): 252563276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 59341, 118682, 237364, 415387, 830774, 1127479, 1661548, 2254958, 2907709, 4509916, 5815418, 7892353, 11630836, 15784706, 31569412, 55246471, 110492942, 220985884]

約数ペア:

[(1, 220985884), (2, 110492942), (4, 55246471), (7, 31569412), (14, 15784706), (19, 11630836), (28, 7892353), (38, 5815418), (49, 4509916), (76, 2907709), (98, 2254958), (133, 1661548), (196, 1127479), (266, 830774), (532, 415387), (931, 237364), (1862, 118682), (3724, 59341)]