2157184540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{35099}}^1$

素因数の和:35554

約数の個数: 48

約数和(自身を含む): 5189184000

約数和(自身を除く): 3031999460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1756, 2195, 3073, 4390, 6146, 8780, 12292, 15365, 30730, 35099, 61460, 70198, 140396, 175495, 245693, 350990, 491386, 701980, 982772, 1228465, 2456930, 4913860, 15408461, 30816922, 61633844, 77042305, 107859227, 154084610, 215718454, 308169220, 431436908, 539296135, 1078592270, 2157184540]

約数ペア:

[(1, 2157184540), (2, 1078592270), (4, 539296135), (5, 431436908), (7, 308169220), (10, 215718454), (14, 154084610), (20, 107859227), (28, 77042305), (35, 61633844), (70, 30816922), (140, 15408461), (439, 4913860), (878, 2456930), (1756, 1228465), (2195, 982772), (3073, 701980), (4390, 491386), (6146, 350990), (8780, 245693), (12292, 175495), (15365, 140396), (30730, 70198), (35099, 61460)]