308998720

素因数分解:

$2^6\times 5^1\times {\mathrm{965621}}^1$

素因数の和:965638

約数の個数: 28

約数和(自身を含む): 735803964

約数和(自身を除く): 426805244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 965621, 1931242, 3862484, 4828105, 7724968, 9656210, 15449936, 19312420, 30899872, 38624840, 61799744, 77249680, 154499360, 308998720]

約数ペア:

[(1, 308998720), (2, 154499360), (4, 77249680), (5, 61799744), (8, 38624840), (10, 30899872), (16, 19312420), (20, 15449936), (32, 9656210), (40, 7724968), (64, 4828105), (80, 3862484), (160, 1931242), (320, 965621)]