2079715820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163243}}^1$

素因数の和:163279

約数の個数: 72

約数和(自身を含む): 5471285904

約数和(自身を除く): 3391570084

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, 163243, 326486, 652972, 816215, 1142701, 1632430, 2122159, 2285402, 3264860, 4244318, 4570804, 5713505, 7998907, 8488636, 10610795, 11427010, 14855113, 15997814, 21221590, 22854020, 29710226, 31995628, 39994535, 42443180, 59420452, 74275565, 79989070, 103985791, 148551130, 159978140, 207971582, 297102260, 415943164, 519928955, 1039857910, 2079715820]

約数ペア:

[(1, 2079715820), (2, 1039857910), (4, 519928955), (5, 415943164), (7, 297102260), (10, 207971582), (13, 159978140), (14, 148551130), (20, 103985791), (26, 79989070), (28, 74275565), (35, 59420452), (49, 42443180), (52, 39994535), (65, 31995628), (70, 29710226), (91, 22854020), (98, 21221590), (130, 15997814), (140, 14855113), (182, 11427010), (196, 10610795), (245, 8488636), (260, 7998907), (364, 5713505), (455, 4570804), (490, 4244318), (637, 3264860), (910, 2285402), (980, 2122159), (1274, 1632430), (1820, 1142701), (2548, 816215), (3185, 652972), (6370, 326486), (12740, 163243)]