319539872

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 72

約数和(自身を含む): 672084000

約数和(自身を除く): 352544128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 199, 278, 304, 361, 398, 556, 608, 722, 796, 1112, 1444, 1592, 2224, 2641, 2888, 3184, 3781, 4448, 5282, 5776, 6368, 7562, 10564, 11552, 15124, 21128, 27661, 30248, 42256, 50179, 55322, 60496, 71839, 84512, 100358, 110644, 120992, 143678, 200716, 221288, 287356, 401432, 442576, 525559, 574712, 802864, 885152, 1051118, 1149424, 1605728, 2102236, 2298848, 4204472, 8408944, 9985621, 16817888, 19971242, 39942484, 79884968, 159769936, 319539872]

約数ペア:

[(1, 319539872), (2, 159769936), (4, 79884968), (8, 39942484), (16, 19971242), (19, 16817888), (32, 9985621), (38, 8408944), (76, 4204472), (139, 2298848), (152, 2102236), (199, 1605728), (278, 1149424), (304, 1051118), (361, 885152), (398, 802864), (556, 574712), (608, 525559), (722, 442576), (796, 401432), (1112, 287356), (1444, 221288), (1592, 200716), (2224, 143678), (2641, 120992), (2888, 110644), (3184, 100358), (3781, 84512), (4448, 71839), (5282, 60496), (5776, 55322), (6368, 50179), (7562, 42256), (10564, 30248), (11552, 27661), (15124, 21128)]