314240

素因数分解:

$2^7\times 5^1\times {\mathrm{491}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 752760

約数和(自身を除く): 438520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 491, 640, 982, 1964, 2455, 3928, 4910, 7856, 9820, 15712, 19640, 31424, 39280, 62848, 78560, 157120, 314240]

約数ペア:

[(1, 314240), (2, 157120), (4, 78560), (5, 62848), (8, 39280), (10, 31424), (16, 19640), (20, 15712), (32, 9820), (40, 7856), (64, 4910), (80, 3928), (128, 2455), (160, 1964), (320, 982), (491, 640)]