118901020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19751}}^1$

素因数の和:19810

約数の個数: 48

約数和(自身を含む): 292013568

約数和(自身を除く): 173112548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 19751, 39502, 79004, 98755, 138257, 197510, 276514, 395020, 553028, 691285, 849293, 1382570, 1698586, 2765140, 3397172, 4246465, 5945051, 8492930, 11890102, 16985860, 23780204, 29725255, 59450510, 118901020]

約数ペア:

[(1, 118901020), (2, 59450510), (4, 29725255), (5, 23780204), (7, 16985860), (10, 11890102), (14, 8492930), (20, 5945051), (28, 4246465), (35, 3397172), (43, 2765140), (70, 1698586), (86, 1382570), (140, 849293), (172, 691285), (215, 553028), (301, 395020), (430, 276514), (602, 197510), (860, 138257), (1204, 98755), (1505, 79004), (3010, 39502), (6020, 19751)]