2011131980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{703193}}^1$

素因数の和:703226

約数の個数: 48

約数和(自身を含む): 4961736864

約数和(自身を除く): 2950604884

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 703193, 1406386, 2812772, 3515965, 7031930, 7735123, 9141509, 14063860, 15470246, 18283018, 30940492, 36566036, 38675615, 45707545, 77351230, 91415090, 100556599, 154702460, 182830180, 201113198, 402226396, 502782995, 1005565990, 2011131980]

約数ペア:

[(1, 2011131980), (2, 1005565990), (4, 502782995), (5, 402226396), (10, 201113198), (11, 182830180), (13, 154702460), (20, 100556599), (22, 91415090), (26, 77351230), (44, 45707545), (52, 38675615), (55, 36566036), (65, 30940492), (110, 18283018), (130, 15470246), (143, 14063860), (220, 9141509), (260, 7735123), (286, 7031930), (572, 3515965), (715, 2812772), (1430, 1406386), (2860, 703193)]