254238504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 725760000

約数和(自身を除く): 471521496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 71, 78, 92, 104, 138, 142, 156, 184, 213, 276, 284, 299, 312, 426, 499, 552, 568, 598, 852, 897, 923, 998, 1196, 1497, 1633, 1704, 1794, 1846, 1996, 2392, 2769, 2994, 3266, 3588, 3692, 3992, 4899, 5538, 5988, 6487, 6532, 7176, 7384, 9798, 11076, 11477, 11976, 12974, 13064, 19461, 19596, 21229, 22152, 22954, 25948, 34431, 35429, 38922, 39192, 42458, 45908, 51896, 63687, 68862, 70858, 77844, 84916, 91816, 106287, 127374, 137724, 141716, 149201, 155688, 169832, 212574, 254748, 275448, 283432, 298402, 425148, 447603, 460577, 509496, 596804, 814867, 850296, 895206, 921154, 1193608, 1381731, 1629734, 1790412, 1842308, 2444601, 2763462, 3259468, 3580824, 3684616, 4889202, 5526924, 6518936, 9778404, 10593271, 11053848, 19556808, 21186542, 31779813, 42373084, 63559626, 84746168, 127119252, 254238504]

約数ペア:

[(1, 254238504), (2, 127119252), (3, 84746168), (4, 63559626), (6, 42373084), (8, 31779813), (12, 21186542), (13, 19556808), (23, 11053848), (24, 10593271), (26, 9778404), (39, 6518936), (46, 5526924), (52, 4889202), (69, 3684616), (71, 3580824), (78, 3259468), (92, 2763462), (104, 2444601), (138, 1842308), (142, 1790412), (156, 1629734), (184, 1381731), (213, 1193608), (276, 921154), (284, 895206), (299, 850296), (312, 814867), (426, 596804), (499, 509496), (552, 460577), (568, 447603), (598, 425148), (852, 298402), (897, 283432), (923, 275448), (998, 254748), (1196, 212574), (1497, 169832), (1633, 155688), (1704, 149201), (1794, 141716), (1846, 137724), (1996, 127374), (2392, 106287), (2769, 91816), (2994, 84916), (3266, 77844), (3588, 70858), (3692, 68862), (3992, 63687), (4899, 51896), (5538, 45908), (5988, 42458), (6487, 39192), (6532, 38922), (7176, 35429), (7384, 34431), (9798, 25948), (11076, 22954), (11477, 22152), (11976, 21229), (12974, 19596), (13064, 19461)]