8420490400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{1503659}}^1$

素因数の和:1503686

約数の個数: 72

約数和(自身を含む): 23493183840

約数和(自身を除く): 15072693440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 1503659, 3007318, 6014636, 7518295, 10525613, 12029272, 15036590, 21051226, 24058544, 30073180, 37591475, 42102452, 48117088, 52628065, 60146360, 75182950, 84204904, 105256130, 120292720, 150365900, 168409808, 210512260, 240585440, 263140325, 300731800, 336819616, 421024520, 526280650, 601463600, 842049040, 1052561300, 1202927200, 1684098080, 2105122600, 4210245200, 8420490400]

約数ペア:

[(1, 8420490400), (2, 4210245200), (4, 2105122600), (5, 1684098080), (7, 1202927200), (8, 1052561300), (10, 842049040), (14, 601463600), (16, 526280650), (20, 421024520), (25, 336819616), (28, 300731800), (32, 263140325), (35, 240585440), (40, 210512260), (50, 168409808), (56, 150365900), (70, 120292720), (80, 105256130), (100, 84204904), (112, 75182950), (140, 60146360), (160, 52628065), (175, 48117088), (200, 42102452), (224, 37591475), (280, 30073180), (350, 24058544), (400, 21051226), (560, 15036590), (700, 12029272), (800, 10525613), (1120, 7518295), (1400, 6014636), (2800, 3007318), (5600, 1503659)]