20100304850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139537}}^1$

素因数の和:139659

約数の個数: 48

約数和(自身を含む): 38827285728

約数和(自身を除く): 18726980878

約数列:

[1, 2, 5, 10, 25, 43, 50, 67, 86, 134, 215, 335, 430, 670, 1075, 1675, 2150, 2881, 3350, 5762, 14405, 28810, 72025, 139537, 144050, 279074, 697685, 1395370, 3488425, 6000091, 6976850, 9348979, 12000182, 18697958, 30000455, 46744895, 60000910, 93489790, 150002275, 233724475, 300004550, 402006097, 467448950, 804012194, 2010030485, 4020060970, 10050152425, 20100304850]

約数ペア:

[(1, 20100304850), (2, 10050152425), (5, 4020060970), (10, 2010030485), (25, 804012194), (43, 467448950), (50, 402006097), (67, 300004550), (86, 233724475), (134, 150002275), (215, 93489790), (335, 60000910), (430, 46744895), (670, 30000455), (1075, 18697958), (1675, 12000182), (2150, 9348979), (2881, 6976850), (3350, 6000091), (5762, 3488425), (14405, 1395370), (28810, 697685), (72025, 279074), (139537, 144050)]