291239855140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1\times {\mathrm{16703}}^1$

素因数の和:17261

約数の個数: 96

約数和(自身を含む): 663963955200

約数和(自身を除く): 372724100060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 337, 398, 674, 796, 995, 1348, 1685, 1990, 2587, 3370, 3980, 4381, 5174, 6740, 8762, 10348, 12935, 16703, 17524, 21905, 25870, 33406, 43810, 51740, 66812, 67063, 83515, 87620, 134126, 167030, 217139, 268252, 334060, 335315, 434278, 670630, 868556, 871819, 1085695, 1341260, 1743638, 2171390, 3323897, 3487276, 4342780, 4359095, 5628911, 6647794, 8718190, 11257822, 13295588, 16619485, 17436380, 22515644, 28144555, 33238970, 43210661, 56289110, 66477940, 73175843, 86421322, 112578220, 146351686, 172842644, 216053305, 292703372, 365879215, 432106610, 731758430, 864213220, 1120153289, 1463516860, 2240306578, 4480613156, 5600766445, 11201532890, 14561992757, 22403065780, 29123985514, 58247971028, 72809963785, 145619927570, 291239855140]

約数ペア:

[(1, 291239855140), (2, 145619927570), (4, 72809963785), (5, 58247971028), (10, 29123985514), (13, 22403065780), (20, 14561992757), (26, 11201532890), (52, 5600766445), (65, 4480613156), (130, 2240306578), (199, 1463516860), (260, 1120153289), (337, 864213220), (398, 731758430), (674, 432106610), (796, 365879215), (995, 292703372), (1348, 216053305), (1685, 172842644), (1990, 146351686), (2587, 112578220), (3370, 86421322), (3980, 73175843), (4381, 66477940), (5174, 56289110), (6740, 43210661), (8762, 33238970), (10348, 28144555), (12935, 22515644), (16703, 17436380), (17524, 16619485), (21905, 13295588), (25870, 11257822), (33406, 8718190), (43810, 6647794), (51740, 5628911), (66812, 4359095), (67063, 4342780), (83515, 3487276), (87620, 3323897), (134126, 2171390), (167030, 1743638), (217139, 1341260), (268252, 1085695), (334060, 871819), (335315, 868556), (434278, 670630)]