78978340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5477}}^1$

素因数の和:5596

約数の個数: 48

約数和(自身を含む): 191423232

約数和(自身を除く): 112444892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 5477, 7210, 10954, 14420, 21908, 27385, 38339, 54770, 76678, 109540, 153356, 191695, 383390, 564131, 766780, 1128262, 2256524, 2820655, 3948917, 5641310, 7897834, 11282620, 15795668, 19744585, 39489170, 78978340]

約数ペア:

[(1, 78978340), (2, 39489170), (4, 19744585), (5, 15795668), (7, 11282620), (10, 7897834), (14, 5641310), (20, 3948917), (28, 2820655), (35, 2256524), (70, 1128262), (103, 766780), (140, 564131), (206, 383390), (412, 191695), (515, 153356), (721, 109540), (1030, 76678), (1442, 54770), (2060, 38339), (2884, 27385), (3605, 21908), (5477, 14420), (7210, 10954)]