28784940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479749}}^1$

素因数の和:479761

約数の個数: 24

約数和(自身を含む): 80598000

約数和(自身を除く): 51813060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479749, 959498, 1439247, 1918996, 2398745, 2878494, 4797490, 5756988, 7196235, 9594980, 14392470, 28784940]

約数ペア:

[(1, 28784940), (2, 14392470), (3, 9594980), (4, 7196235), (5, 5756988), (6, 4797490), (10, 2878494), (12, 2398745), (15, 1918996), (20, 1439247), (30, 959498), (60, 479749)]