840507910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2281

約数の個数: 64

約数和(自身を含む): 1713337920

約数和(自身を除く): 872830010

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 97, 110, 185, 194, 370, 407, 485, 814, 970, 1067, 2035, 2129, 2134, 3589, 4070, 4258, 5335, 7178, 10645, 10670, 17945, 21290, 23419, 35890, 39479, 46838, 78773, 78958, 117095, 157546, 197395, 206513, 234190, 393865, 394790, 413026, 787730, 866503, 1032565, 1733006, 2065130, 2271643, 4332515, 4543286, 7640981, 8665030, 11358215, 15281962, 22716430, 38204905, 76409810, 84050791, 168101582, 420253955, 840507910]

約数ペア:

[(1, 840507910), (2, 420253955), (5, 168101582), (10, 84050791), (11, 76409810), (22, 38204905), (37, 22716430), (55, 15281962), (74, 11358215), (97, 8665030), (110, 7640981), (185, 4543286), (194, 4332515), (370, 2271643), (407, 2065130), (485, 1733006), (814, 1032565), (970, 866503), (1067, 787730), (2035, 413026), (2129, 394790), (2134, 393865), (3589, 234190), (4070, 206513), (4258, 197395), (5335, 157546), (7178, 117095), (10645, 78958), (10670, 78773), (17945, 46838), (21290, 39479), (23419, 35890)]