279996388

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 628992000

約数和(自身を除く): 348995612

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 343, 437, 467, 532, 644, 686, 874, 931, 934, 1127, 1372, 1748, 1862, 1868, 2254, 3059, 3269, 3724, 4508, 6118, 6517, 6538, 7889, 8873, 10741, 12236, 13034, 13076, 15778, 17746, 21413, 21482, 22883, 26068, 31556, 35492, 42826, 42964, 45766, 62111, 75187, 85652, 91532, 124222, 149891, 150374, 160181, 204079, 248444, 299782, 300748, 320362, 408158, 434777, 526309, 599564, 640724, 816316, 869554, 1052618, 1428553, 1739108, 2105236, 2857106, 3043439, 3684163, 5714212, 6086878, 7368326, 9999871, 12173756, 14736652, 19999742, 39999484, 69999097, 139998194, 279996388]

約数ペア:

[(1, 279996388), (2, 139998194), (4, 69999097), (7, 39999484), (14, 19999742), (19, 14736652), (23, 12173756), (28, 9999871), (38, 7368326), (46, 6086878), (49, 5714212), (76, 3684163), (92, 3043439), (98, 2857106), (133, 2105236), (161, 1739108), (196, 1428553), (266, 1052618), (322, 869554), (343, 816316), (437, 640724), (467, 599564), (532, 526309), (644, 434777), (686, 408158), (874, 320362), (931, 300748), (934, 299782), (1127, 248444), (1372, 204079), (1748, 160181), (1862, 150374), (1868, 149891), (2254, 124222), (3059, 91532), (3269, 85652), (3724, 75187), (4508, 62111), (6118, 45766), (6517, 42964), (6538, 42826), (7889, 35492), (8873, 31556), (10741, 26068), (12236, 22883), (13034, 21482), (13076, 21413), (15778, 17746)]