840774740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{4561}}^1$

素因数の和:5292

約数の個数: 48

約数和(自身を含む): 1904543760

約数和(自身を除く): 1063769020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 709, 1418, 2836, 3545, 4561, 7090, 9122, 9217, 14180, 18244, 18434, 22805, 36868, 45610, 46085, 59293, 91220, 92170, 118586, 184340, 237172, 296465, 592930, 1185860, 3233749, 6467498, 12934996, 16168745, 32337490, 42038737, 64674980, 84077474, 168154948, 210193685, 420387370, 840774740]

約数ペア:

[(1, 840774740), (2, 420387370), (4, 210193685), (5, 168154948), (10, 84077474), (13, 64674980), (20, 42038737), (26, 32337490), (52, 16168745), (65, 12934996), (130, 6467498), (260, 3233749), (709, 1185860), (1418, 592930), (2836, 296465), (3545, 237172), (4561, 184340), (7090, 118586), (9122, 92170), (9217, 91220), (14180, 59293), (18244, 46085), (18434, 45610), (22805, 36868)]