3121000

素因数分解:

$2^3\times 5^3\times {\mathrm{3121}}^1$

素因数の和:3142

約数の個数: 32

約数和(自身を含む): 7305480

約数和(自身を除く): 4184480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 3121, 6242, 12484, 15605, 24968, 31210, 62420, 78025, 124840, 156050, 312100, 390125, 624200, 780250, 1560500, 3121000]

約数ペア:

[(1, 3121000), (2, 1560500), (4, 780250), (5, 624200), (8, 390125), (10, 312100), (20, 156050), (25, 124840), (40, 78025), (50, 62420), (100, 31210), (125, 24968), (200, 15605), (250, 12484), (500, 6242), (1000, 3121)]