1279090400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{228409}}^1$

素因数の和:228436

約数の個数: 72

約数和(自身を含む): 3568677840

約数和(自身を除く): 2289587440

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, 228409, 456818, 913636, 1142045, 1598863, 1827272, 2284090, 3197726, 3654544, 4568180, 5710225, 6395452, 7309088, 7994315, 9136360, 11420450, 12790904, 15988630, 18272720, 22840900, 25581808, 31977260, 36545440, 39971575, 45681800, 51163616, 63954520, 79943150, 91363600, 127909040, 159886300, 182727200, 255818080, 319772600, 639545200, 1279090400]

約数ペア:

[(1, 1279090400), (2, 639545200), (4, 319772600), (5, 255818080), (7, 182727200), (8, 159886300), (10, 127909040), (14, 91363600), (16, 79943150), (20, 63954520), (25, 51163616), (28, 45681800), (32, 39971575), (35, 36545440), (40, 31977260), (50, 25581808), (56, 22840900), (70, 18272720), (80, 15988630), (100, 12790904), (112, 11420450), (140, 9136360), (160, 7994315), (175, 7309088), (200, 6395452), (224, 5710225), (280, 4568180), (350, 3654544), (400, 3197726), (560, 2284090), (700, 1827272), (800, 1598863), (1120, 1142045), (1400, 913636), (2800, 456818), (5600, 228409)]