85565900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 213486336

約数和(自身を除く): 127920436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 251, 350, 487, 502, 700, 974, 1004, 1255, 1757, 1948, 2435, 2510, 3409, 3514, 4870, 5020, 6275, 6818, 7028, 8785, 9740, 12175, 12550, 13636, 17045, 17570, 24350, 25100, 34090, 35140, 43925, 48700, 68180, 85225, 87850, 122237, 170450, 175700, 244474, 340900, 488948, 611185, 855659, 1222370, 1711318, 2444740, 3055925, 3422636, 4278295, 6111850, 8556590, 12223700, 17113180, 21391475, 42782950, 85565900]

約数ペア:

[(1, 85565900), (2, 42782950), (4, 21391475), (5, 17113180), (7, 12223700), (10, 8556590), (14, 6111850), (20, 4278295), (25, 3422636), (28, 3055925), (35, 2444740), (50, 1711318), (70, 1222370), (100, 855659), (140, 611185), (175, 488948), (251, 340900), (350, 244474), (487, 175700), (502, 170450), (700, 122237), (974, 87850), (1004, 85225), (1255, 68180), (1757, 48700), (1948, 43925), (2435, 35140), (2510, 34090), (3409, 25100), (3514, 24350), (4870, 17570), (5020, 17045), (6275, 13636), (6818, 12550), (7028, 12175), (8785, 9740)]