51470500

素因数分解:

$2^2\times 5^3\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 113113728

約数和(自身を除く): 61643228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 311, 331, 500, 622, 662, 1244, 1324, 1555, 1655, 3110, 3310, 6220, 6620, 7775, 8275, 15550, 16550, 31100, 33100, 38875, 41375, 77750, 82750, 102941, 155500, 165500, 205882, 411764, 514705, 1029410, 2058820, 2573525, 5147050, 10294100, 12867625, 25735250, 51470500]

約数ペア:

[(1, 51470500), (2, 25735250), (4, 12867625), (5, 10294100), (10, 5147050), (20, 2573525), (25, 2058820), (50, 1029410), (100, 514705), (125, 411764), (250, 205882), (311, 165500), (331, 155500), (500, 102941), (622, 82750), (662, 77750), (1244, 41375), (1324, 38875), (1555, 33100), (1655, 31100), (3110, 16550), (3310, 15550), (6220, 8275), (6620, 7775)]