289825960

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{25603}}^1$

素因数の和:25897

約数の個数: 32

約数和(自身を含む): 654438240

約数和(自身を除く): 364612280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 25603, 51206, 102412, 128015, 204824, 256030, 512060, 1024120, 7245649, 14491298, 28982596, 36228245, 57965192, 72456490, 144912980, 289825960]

約数ペア:

[(1, 289825960), (2, 144912980), (4, 72456490), (5, 57965192), (8, 36228245), (10, 28982596), (20, 14491298), (40, 7245649), (283, 1024120), (566, 512060), (1132, 256030), (1415, 204824), (2264, 128015), (2830, 102412), (5660, 51206), (11320, 25603)]