84657650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 72

約数和(自身を含む): 197904000

約数和(自身を除く): 113246350

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 242, 275, 350, 385, 550, 605, 770, 847, 1210, 1694, 1925, 1999, 3025, 3850, 3998, 4235, 6050, 8470, 9995, 13993, 19990, 21175, 21989, 27986, 42350, 43978, 49975, 69965, 99950, 109945, 139930, 153923, 219890, 241879, 307846, 349825, 483758, 549725, 699650, 769615, 1099450, 1209395, 1539230, 1693153, 2418790, 3386306, 3848075, 6046975, 7696150, 8465765, 12093950, 16931530, 42328825, 84657650]

約数ペア:

[(1, 84657650), (2, 42328825), (5, 16931530), (7, 12093950), (10, 8465765), (11, 7696150), (14, 6046975), (22, 3848075), (25, 3386306), (35, 2418790), (50, 1693153), (55, 1539230), (70, 1209395), (77, 1099450), (110, 769615), (121, 699650), (154, 549725), (175, 483758), (242, 349825), (275, 307846), (350, 241879), (385, 219890), (550, 153923), (605, 139930), (770, 109945), (847, 99950), (1210, 69965), (1694, 49975), (1925, 43978), (1999, 42350), (3025, 27986), (3850, 21989), (3998, 21175), (4235, 19990), (6050, 13993), (8470, 9995)]