290203398

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{26737}}^1$

素因数の和:26818

約数の個数: 40

約数和(自身を含む): 660000792

約数和(自身を除く): 369797394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1809, 3618, 5427, 10854, 26737, 53474, 80211, 160422, 240633, 481266, 721899, 1443798, 1791379, 2165697, 3582758, 4331394, 5374137, 10748274, 16122411, 32244822, 48367233, 96734466, 145101699, 290203398]

約数ペア:

[(1, 290203398), (2, 145101699), (3, 96734466), (6, 48367233), (9, 32244822), (18, 16122411), (27, 10748274), (54, 5374137), (67, 4331394), (81, 3582758), (134, 2165697), (162, 1791379), (201, 1443798), (402, 721899), (603, 481266), (1206, 240633), (1809, 160422), (3618, 80211), (5427, 53474), (10854, 26737)]