319240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 751680

約数和(自身を除く): 432440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 347, 460, 694, 920, 1388, 1735, 2776, 3470, 6940, 7981, 13880, 15962, 31924, 39905, 63848, 79810, 159620, 319240]

約数ペア:

[(1, 319240), (2, 159620), (4, 79810), (5, 63848), (8, 39905), (10, 31924), (20, 15962), (23, 13880), (40, 7981), (46, 6940), (92, 3470), (115, 2776), (184, 1735), (230, 1388), (347, 920), (460, 694)]