70474540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13711}}^1$

素因数の和:13977

約数の個数: 24

約数和(自身を含む): 148583232

約数和(自身を除く): 78108692

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 13711, 27422, 54844, 68555, 137110, 274220, 3523727, 7047454, 14094908, 17618635, 35237270, 70474540]

約数ペア:

[(1, 70474540), (2, 35237270), (4, 17618635), (5, 14094908), (10, 7047454), (20, 3523727), (257, 274220), (514, 137110), (1028, 68555), (1285, 54844), (2570, 27422), (5140, 13711)]