551498980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{467}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 1171812096

約数和(自身を除く): 620313116

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 431, 467, 548, 685, 862, 934, 1370, 1724, 1868, 2155, 2335, 2740, 4310, 4670, 8620, 9340, 59047, 63979, 118094, 127958, 201277, 236188, 255916, 295235, 319895, 402554, 590470, 639790, 805108, 1006385, 1180940, 1279580, 2012770, 4025540, 27574949, 55149898, 110299796, 137874745, 275749490, 551498980]

約数ペア:

[(1, 551498980), (2, 275749490), (4, 137874745), (5, 110299796), (10, 55149898), (20, 27574949), (137, 4025540), (274, 2012770), (431, 1279580), (467, 1180940), (548, 1006385), (685, 805108), (862, 639790), (934, 590470), (1370, 402554), (1724, 319895), (1868, 295235), (2155, 255916), (2335, 236188), (2740, 201277), (4310, 127958), (4670, 118094), (8620, 63979), (9340, 59047)]