7225960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 18817920

約数和(自身を除く): 11591960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 197, 262, 280, 394, 524, 655, 788, 917, 985, 1048, 1310, 1379, 1576, 1834, 1970, 2620, 2758, 3668, 3940, 4585, 5240, 5516, 6895, 7336, 7880, 9170, 11032, 13790, 18340, 25807, 27580, 36680, 51614, 55160, 103228, 129035, 180649, 206456, 258070, 361298, 516140, 722596, 903245, 1032280, 1445192, 1806490, 3612980, 7225960]

約数ペア:

[(1, 7225960), (2, 3612980), (4, 1806490), (5, 1445192), (7, 1032280), (8, 903245), (10, 722596), (14, 516140), (20, 361298), (28, 258070), (35, 206456), (40, 180649), (56, 129035), (70, 103228), (131, 55160), (140, 51614), (197, 36680), (262, 27580), (280, 25807), (394, 18340), (524, 13790), (655, 11032), (788, 9170), (917, 7880), (985, 7336), (1048, 6895), (1310, 5516), (1379, 5240), (1576, 4585), (1834, 3940), (1970, 3668), (2620, 2758)]