289490875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2309}}^1$

素因数の和:2400

約数の個数: 32

約数和(自身を含む): 389188800

約数和(自身を除く): 99697925

約数列:

[1, 5, 17, 25, 59, 85, 125, 295, 425, 1003, 1475, 2125, 2309, 5015, 7375, 11545, 25075, 39253, 57725, 125375, 136231, 196265, 288625, 681155, 981325, 2315927, 3405775, 4906625, 11579635, 17028875, 57898175, 289490875]

約数ペア:

[(1, 289490875), (5, 57898175), (17, 17028875), (25, 11579635), (59, 4906625), (85, 3405775), (125, 2315927), (295, 981325), (425, 681155), (1003, 288625), (1475, 196265), (2125, 136231), (2309, 125375), (5015, 57725), (7375, 39253), (11545, 25075)]