72181900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{14731}}^1$

素因数の和:14759

約数の個数: 54

約数和(自身を含む): 182220108

約数和(自身を除く): 110038208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 14731, 29462, 58924, 73655, 103117, 147310, 206234, 294620, 368275, 412468, 515585, 721819, 736550, 1031170, 1443638, 1473100, 2062340, 2577925, 2887276, 3609095, 5155850, 7218190, 10311700, 14436380, 18045475, 36090950, 72181900]

約数ペア:

[(1, 72181900), (2, 36090950), (4, 18045475), (5, 14436380), (7, 10311700), (10, 7218190), (14, 5155850), (20, 3609095), (25, 2887276), (28, 2577925), (35, 2062340), (49, 1473100), (50, 1443638), (70, 1031170), (98, 736550), (100, 721819), (140, 515585), (175, 412468), (196, 368275), (245, 294620), (350, 206234), (490, 147310), (700, 103117), (980, 73655), (1225, 58924), (2450, 29462), (4900, 14731)]