720185092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{857}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 1401079680

約数和(自身を除く): 680894588

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 269, 284, 538, 781, 857, 1076, 1562, 1714, 2959, 3124, 3428, 5918, 9427, 11836, 18854, 19099, 37708, 38198, 60847, 76396, 121694, 210089, 230533, 243388, 420178, 461066, 669317, 840356, 922132, 1338634, 2535863, 2677268, 5071726, 10143452, 16367843, 32735686, 65471372, 180046273, 360092546, 720185092]

約数ペア:

[(1, 720185092), (2, 360092546), (4, 180046273), (11, 65471372), (22, 32735686), (44, 16367843), (71, 10143452), (142, 5071726), (269, 2677268), (284, 2535863), (538, 1338634), (781, 922132), (857, 840356), (1076, 669317), (1562, 461066), (1714, 420178), (2959, 243388), (3124, 230533), (3428, 210089), (5918, 121694), (9427, 76396), (11836, 60847), (18854, 38198), (19099, 37708)]