391755564290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{1049}}^1\times {\mathrm{2371}}^1$

素因数の和:4275

約数の個数: 64

約数和(自身を含む): 744191280000

約数和(自身を除く): 352435715710

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 829, 1049, 1658, 2098, 2371, 4145, 4742, 5245, 8290, 10490, 11855, 15751, 19931, 23710, 31502, 39862, 45049, 78755, 90098, 99655, 157510, 199310, 225245, 450490, 869621, 1739242, 1965559, 2487179, 3931118, 4348105, 4974358, 8696210, 9827795, 12435895, 16522799, 19655590, 24871790, 33045598, 37345621, 47256401, 74691242, 82613995, 94512802, 165227990, 186728105, 236282005, 373456210, 472564010, 2061871391, 4123742782, 10309356955, 20618713910, 39175556429, 78351112858, 195877782145, 391755564290]

約数ペア:

[(1, 391755564290), (2, 195877782145), (5, 78351112858), (10, 39175556429), (19, 20618713910), (38, 10309356955), (95, 4123742782), (190, 2061871391), (829, 472564010), (1049, 373456210), (1658, 236282005), (2098, 186728105), (2371, 165227990), (4145, 94512802), (4742, 82613995), (5245, 74691242), (8290, 47256401), (10490, 37345621), (11855, 33045598), (15751, 24871790), (19931, 19655590), (23710, 16522799), (31502, 12435895), (39862, 9827795), (45049, 8696210), (78755, 4974358), (90098, 4348105), (99655, 3931118), (157510, 2487179), (199310, 1965559), (225245, 1739242), (450490, 869621)]