278201975

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 350602560

約数和(自身を除く): 72400585

約数列:

[1, 5, 25, 101, 239, 461, 505, 1195, 2305, 2525, 5975, 11525, 24139, 46561, 110179, 120695, 232805, 550895, 603475, 1164025, 2754475, 11128079, 55640395, 278201975]

約数ペア:

[(1, 278201975), (5, 55640395), (25, 11128079), (101, 2754475), (239, 1164025), (461, 603475), (505, 550895), (1195, 232805), (2305, 120695), (2525, 110179), (5975, 46561), (11525, 24139)]