171771180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{408979}}^1$

素因数の和:408998

約数の個数: 48

約数和(自身を含む): 549669120

約数和(自身を除く): 377897940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 408979, 817958, 1226937, 1635916, 2044895, 2453874, 2862853, 4089790, 4907748, 5725706, 6134685, 8179580, 8588559, 11451412, 12269370, 14314265, 17177118, 24538740, 28628530, 34354236, 42942795, 57257060, 85885590, 171771180]

約数ペア:

[(1, 171771180), (2, 85885590), (3, 57257060), (4, 42942795), (5, 34354236), (6, 28628530), (7, 24538740), (10, 17177118), (12, 14314265), (14, 12269370), (15, 11451412), (20, 8588559), (21, 8179580), (28, 6134685), (30, 5725706), (35, 4907748), (42, 4089790), (60, 2862853), (70, 2453874), (84, 2044895), (105, 1635916), (140, 1226937), (210, 817958), (420, 408979)]