999580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 2286144

約数和(自身を除く): 1286564

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 53, 82, 92, 106, 115, 164, 205, 212, 230, 265, 410, 460, 530, 820, 943, 1060, 1219, 1886, 2173, 2438, 3772, 4346, 4715, 4876, 6095, 8692, 9430, 10865, 12190, 18860, 21730, 24380, 43460, 49979, 99958, 199916, 249895, 499790, 999580]

約数ペア:

[(1, 999580), (2, 499790), (4, 249895), (5, 199916), (10, 99958), (20, 49979), (23, 43460), (41, 24380), (46, 21730), (53, 18860), (82, 12190), (92, 10865), (106, 9430), (115, 8692), (164, 6095), (205, 4876), (212, 4715), (230, 4346), (265, 3772), (410, 2438), (460, 2173), (530, 1886), (820, 1219), (943, 1060)]