85171900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{7039}}^1$

素因数の和:7075

約数の個数: 54

約数和(自身を含む): 203181440

約数和(自身を除く): 118009540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 7039, 12100, 14078, 28156, 35195, 70390, 77429, 140780, 154858, 175975, 309716, 351950, 387145, 703900, 774290, 851719, 1548580, 1703438, 1935725, 3406876, 3871450, 4258595, 7742900, 8517190, 17034380, 21292975, 42585950, 85171900]

約数ペア:

[(1, 85171900), (2, 42585950), (4, 21292975), (5, 17034380), (10, 8517190), (11, 7742900), (20, 4258595), (22, 3871450), (25, 3406876), (44, 1935725), (50, 1703438), (55, 1548580), (100, 851719), (110, 774290), (121, 703900), (220, 387145), (242, 351950), (275, 309716), (484, 175975), (550, 154858), (605, 140780), (1100, 77429), (1210, 70390), (2420, 35195), (3025, 28156), (6050, 14078), (7039, 12100)]