1895469940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{148781}}^1$

素因数の和:148817

約数の個数: 72

約数和(自身を含む): 4986577512

約数和(自身を除く): 3091107572

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 148781, 297562, 595124, 743905, 1041467, 1487810, 1934153, 2082934, 2975620, 3868306, 4165868, 5207335, 7290269, 7736612, 9670765, 10414670, 13539071, 14580538, 19341530, 20829340, 27078142, 29161076, 36451345, 38683060, 54156284, 67695355, 72902690, 94773497, 135390710, 145805380, 189546994, 270781420, 379093988, 473867485, 947734970, 1895469940]

約数ペア:

[(1, 1895469940), (2, 947734970), (4, 473867485), (5, 379093988), (7, 270781420), (10, 189546994), (13, 145805380), (14, 135390710), (20, 94773497), (26, 72902690), (28, 67695355), (35, 54156284), (49, 38683060), (52, 36451345), (65, 29161076), (70, 27078142), (91, 20829340), (98, 19341530), (130, 14580538), (140, 13539071), (182, 10414670), (196, 9670765), (245, 7736612), (260, 7290269), (364, 5207335), (455, 4165868), (490, 3868306), (637, 2975620), (910, 2082934), (980, 1934153), (1274, 1487810), (1820, 1041467), (2548, 743905), (3185, 595124), (6370, 297562), (12740, 148781)]