10819000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 26208000

約数和(自身を除く): 15389000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 349, 500, 620, 698, 775, 1000, 1240, 1396, 1550, 1745, 2792, 3100, 3490, 3875, 6200, 6980, 7750, 8725, 10819, 13960, 15500, 17450, 21638, 31000, 34900, 43276, 43625, 54095, 69800, 86552, 87250, 108190, 174500, 216380, 270475, 349000, 432760, 540950, 1081900, 1352375, 2163800, 2704750, 5409500, 10819000]

約数ペア:

[(1, 10819000), (2, 5409500), (4, 2704750), (5, 2163800), (8, 1352375), (10, 1081900), (20, 540950), (25, 432760), (31, 349000), (40, 270475), (50, 216380), (62, 174500), (100, 108190), (124, 87250), (125, 86552), (155, 69800), (200, 54095), (248, 43625), (250, 43276), (310, 34900), (349, 31000), (500, 21638), (620, 17450), (698, 15500), (775, 13960), (1000, 10819), (1240, 8725), (1396, 7750), (1550, 6980), (1745, 6200), (2792, 3875), (3100, 3490)]