157450480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{178921}}^1$

素因数の和:178945

約数の個数: 40

約数和(自身を含む): 399353904

約数和(自身を除く): 241903424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 178921, 357842, 715684, 894605, 1431368, 1789210, 1968131, 2862736, 3578420, 3936262, 7156840, 7872524, 9840655, 14313680, 15745048, 19681310, 31490096, 39362620, 78725240, 157450480]

約数ペア:

[(1, 157450480), (2, 78725240), (4, 39362620), (5, 31490096), (8, 19681310), (10, 15745048), (11, 14313680), (16, 9840655), (20, 7872524), (22, 7156840), (40, 3936262), (44, 3578420), (55, 2862736), (80, 1968131), (88, 1789210), (110, 1431368), (176, 894605), (220, 715684), (440, 357842), (880, 178921)]