7889783620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1\times {\mathrm{9791}}^1$

素因数の和:10780

約数の個数: 48

約数和(自身を含む): 16973687808

約数和(自身を除く): 9083904188

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 937, 1874, 3748, 4685, 9370, 9791, 18740, 19582, 39164, 40291, 48955, 80582, 97910, 161164, 195820, 201455, 402910, 421013, 805820, 842026, 1684052, 2105065, 4210130, 8420260, 9174167, 18348334, 36696668, 45870835, 91741670, 183483340, 394489181, 788978362, 1577956724, 1972445905, 3944891810, 7889783620]

約数ペア:

[(1, 7889783620), (2, 3944891810), (4, 1972445905), (5, 1577956724), (10, 788978362), (20, 394489181), (43, 183483340), (86, 91741670), (172, 45870835), (215, 36696668), (430, 18348334), (860, 9174167), (937, 8420260), (1874, 4210130), (3748, 2105065), (4685, 1684052), (9370, 842026), (9791, 805820), (18740, 421013), (19582, 402910), (39164, 201455), (40291, 195820), (48955, 161164), (80582, 97910)]