31256930

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 57456000

約数和(自身を除く): 26199070

約数列:

[1, 2, 5, 10, 113, 139, 199, 226, 278, 398, 565, 695, 995, 1130, 1390, 1990, 15707, 22487, 27661, 31414, 44974, 55322, 78535, 112435, 138305, 157070, 224870, 276610, 3125693, 6251386, 15628465, 31256930]

約数ペア:

[(1, 31256930), (2, 15628465), (5, 6251386), (10, 3125693), (113, 276610), (139, 224870), (199, 157070), (226, 138305), (278, 112435), (398, 78535), (565, 55322), (695, 44974), (995, 31414), (1130, 27661), (1390, 22487), (1990, 15707)]