317729590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{72707}}^1$

素因数の和:72756

約数の個数: 32

約数和(自身を含む): 628197120

約数和(自身を除く): 310467530

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 72707, 145414, 363535, 727070, 1381433, 1672261, 2762866, 3344522, 6907165, 8361305, 13814330, 16722610, 31772959, 63545918, 158864795, 317729590]

約数ペア:

[(1, 317729590), (2, 158864795), (5, 63545918), (10, 31772959), (19, 16722610), (23, 13814330), (38, 8361305), (46, 6907165), (95, 3344522), (115, 2762866), (190, 1672261), (230, 1381433), (437, 727070), (874, 363535), (2185, 145414), (4370, 72707)]