269717120

素因数分解:

$2^7\times 5^1\times {\mathrm{421433}}^1$

素因数の和:421452

約数の個数: 32

約数和(自身を含む): 644794020

約数和(自身を除く): 375076900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 421433, 842866, 1685732, 2107165, 3371464, 4214330, 6742928, 8428660, 13485856, 16857320, 26971712, 33714640, 53943424, 67429280, 134858560, 269717120]

約数ペア:

[(1, 269717120), (2, 134858560), (4, 67429280), (5, 53943424), (8, 33714640), (10, 26971712), (16, 16857320), (20, 13485856), (32, 8428660), (40, 6742928), (64, 4214330), (80, 3371464), (128, 2107165), (160, 1685732), (320, 842866), (640, 421433)]