1020460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 2528064

約数和(自身を除く): 1507604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 197, 259, 370, 394, 518, 740, 788, 985, 1036, 1295, 1379, 1970, 2590, 2758, 3940, 5180, 5516, 6895, 7289, 13790, 14578, 27580, 29156, 36445, 51023, 72890, 102046, 145780, 204092, 255115, 510230, 1020460]

約数ペア:

[(1, 1020460), (2, 510230), (4, 255115), (5, 204092), (7, 145780), (10, 102046), (14, 72890), (20, 51023), (28, 36445), (35, 29156), (37, 27580), (70, 14578), (74, 13790), (140, 7289), (148, 6895), (185, 5516), (197, 5180), (259, 3940), (370, 2758), (394, 2590), (518, 1970), (740, 1379), (788, 1295), (985, 1036)]