489972490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{35531}}^1$

素因数の和:35742

約数の個数: 32

約数和(自身を含む): 1013088384

約数和(自身を除く): 523115894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 35531, 71062, 177655, 248717, 355310, 497434, 1243585, 2487170, 6999607, 13999214, 34998035, 48997249, 69996070, 97994498, 244986245, 489972490]

約数ペア:

[(1, 489972490), (2, 244986245), (5, 97994498), (7, 69996070), (10, 48997249), (14, 34998035), (35, 13999214), (70, 6999607), (197, 2487170), (394, 1243585), (985, 497434), (1379, 355310), (1970, 248717), (2758, 177655), (6895, 71062), (13790, 35531)]