2978000

素因数分解:

$2^4\times 5^3\times {\mathrm{1489}}^1$

素因数の和:1512

約数の個数: 40

約数和(自身を含む): 7205640

約数和(自身を除く): 4227640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1489, 2000, 2978, 5956, 7445, 11912, 14890, 23824, 29780, 37225, 59560, 74450, 119120, 148900, 186125, 297800, 372250, 595600, 744500, 1489000, 2978000]

約数ペア:

[(1, 2978000), (2, 1489000), (4, 744500), (5, 595600), (8, 372250), (10, 297800), (16, 186125), (20, 148900), (25, 119120), (40, 74450), (50, 59560), (80, 37225), (100, 29780), (125, 23824), (200, 14890), (250, 11912), (400, 7445), (500, 5956), (1000, 2978), (1489, 2000)]