194945920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23431}}^1$

素因数の和:23463

約数の個数: 64

約数和(自身を含む): 501913440

約数和(自身を除く): 306967520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 23431, 46862, 93724, 117155, 187448, 234310, 304603, 374896, 468620, 609206, 749792, 937240, 1218412, 1499584, 1523015, 1874480, 2436824, 2999168, 3046030, 3748960, 4873648, 6092060, 7497920, 9747296, 12184120, 14995840, 19494592, 24368240, 38989184, 48736480, 97472960, 194945920]

約数ペア:

[(1, 194945920), (2, 97472960), (4, 48736480), (5, 38989184), (8, 24368240), (10, 19494592), (13, 14995840), (16, 12184120), (20, 9747296), (26, 7497920), (32, 6092060), (40, 4873648), (52, 3748960), (64, 3046030), (65, 2999168), (80, 2436824), (104, 1874480), (128, 1523015), (130, 1499584), (160, 1218412), (208, 937240), (260, 749792), (320, 609206), (416, 468620), (520, 374896), (640, 304603), (832, 234310), (1040, 187448), (1664, 117155), (2080, 93724), (4160, 46862), (8320, 23431)]