201890720

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2591}}^1$

素因数の和:3093

約数の個数: 48

約数和(自身を含む): 478130688

約数和(自身を除く): 276239968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2435, 2591, 3896, 4870, 5182, 7792, 9740, 10364, 12955, 15584, 19480, 20728, 25910, 38960, 41456, 51820, 77920, 82912, 103640, 207280, 414560, 1261817, 2523634, 5047268, 6309085, 10094536, 12618170, 20189072, 25236340, 40378144, 50472680, 100945360, 201890720]

約数ペア:

[(1, 201890720), (2, 100945360), (4, 50472680), (5, 40378144), (8, 25236340), (10, 20189072), (16, 12618170), (20, 10094536), (32, 6309085), (40, 5047268), (80, 2523634), (160, 1261817), (487, 414560), (974, 207280), (1948, 103640), (2435, 82912), (2591, 77920), (3896, 51820), (4870, 41456), (5182, 38960), (7792, 25910), (9740, 20728), (10364, 19480), (12955, 15584)]