247894416

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 240

約数和(自身を含む): 878991360

約数和(自身を除く): 631096944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 79, 84, 88, 99, 112, 126, 132, 144, 154, 158, 168, 176, 198, 231, 237, 252, 264, 283, 308, 316, 336, 396, 462, 474, 504, 528, 553, 566, 616, 632, 693, 711, 792, 849, 869, 924, 948, 1008, 1106, 1132, 1232, 1264, 1386, 1422, 1584, 1659, 1698, 1738, 1848, 1896, 1981, 2212, 2264, 2547, 2607, 2772, 2844, 3113, 3318, 3396, 3476, 3696, 3792, 3962, 4424, 4528, 4977, 5094, 5214, 5544, 5688, 5943, 6083, 6226, 6636, 6792, 6952, 7821, 7924, 8848, 9339, 9954, 10188, 10428, 11088, 11376, 11886, 12166, 12452, 13272, 13584, 13904, 15642, 15848, 17829, 18249, 18678, 19908, 20376, 20856, 21791, 22357, 23772, 24332, 24904, 26544, 28017, 31284, 31696, 35658, 36498, 37356, 39816, 40752, 41712, 43582, 44714, 47544, 48664, 49808, 54747, 56034, 62568, 65373, 67071, 71316, 72996, 74712, 79632, 87164, 89428, 95088, 97328, 109494, 112068, 125136, 130746, 134142, 142632, 145992, 149424, 156499, 174328, 178856, 196119, 201213, 218988, 224136, 245927, 261492, 268284, 285264, 291984, 312998, 348656, 357712, 392238, 402426, 437976, 448272, 469497, 491854, 522984, 536568, 625996, 737781, 784476, 804852, 875952, 938994, 983708, 1045968, 1073136, 1251992, 1408491, 1475562, 1568952, 1609704, 1721489, 1877988, 1967416, 2213343, 2503984, 2816982, 2951124, 3137904, 3219408, 3442978, 3755976, 3934832, 4426686, 5164467, 5633964, 5902248, 6885956, 7511952, 8853372, 10328934, 11267928, 11804496, 13771912, 15493401, 17706744, 20657868, 22535856, 27543824, 30986802, 35413488, 41315736, 61973604, 82631472, 123947208, 247894416]

約数ペア:

[(1, 247894416), (2, 123947208), (3, 82631472), (4, 61973604), (6, 41315736), (7, 35413488), (8, 30986802), (9, 27543824), (11, 22535856), (12, 20657868), (14, 17706744), (16, 15493401), (18, 13771912), (21, 11804496), (22, 11267928), (24, 10328934), (28, 8853372), (33, 7511952), (36, 6885956), (42, 5902248), (44, 5633964), (48, 5164467), (56, 4426686), (63, 3934832), (66, 3755976), (72, 3442978), (77, 3219408), (79, 3137904), (84, 2951124), (88, 2816982), (99, 2503984), (112, 2213343), (126, 1967416), (132, 1877988), (144, 1721489), (154, 1609704), (158, 1568952), (168, 1475562), (176, 1408491), (198, 1251992), (231, 1073136), (237, 1045968), (252, 983708), (264, 938994), (283, 875952), (308, 804852), (316, 784476), (336, 737781), (396, 625996), (462, 536568), (474, 522984), (504, 491854), (528, 469497), (553, 448272), (566, 437976), (616, 402426), (632, 392238), (693, 357712), (711, 348656), (792, 312998), (849, 291984), (869, 285264), (924, 268284), (948, 261492), (1008, 245927), (1106, 224136), (1132, 218988), (1232, 201213), (1264, 196119), (1386, 178856), (1422, 174328), (1584, 156499), (1659, 149424), (1698, 145992), (1738, 142632), (1848, 134142), (1896, 130746), (1981, 125136), (2212, 112068), (2264, 109494), (2547, 97328), (2607, 95088), (2772, 89428), (2844, 87164), (3113, 79632), (3318, 74712), (3396, 72996), (3476, 71316), (3696, 67071), (3792, 65373), (3962, 62568), (4424, 56034), (4528, 54747), (4977, 49808), (5094, 48664), (5214, 47544), (5544, 44714), (5688, 43582), (5943, 41712), (6083, 40752), (6226, 39816), (6636, 37356), (6792, 36498), (6952, 35658), (7821, 31696), (7924, 31284), (8848, 28017), (9339, 26544), (9954, 24904), (10188, 24332), (10428, 23772), (11088, 22357), (11376, 21791), (11886, 20856), (12166, 20376), (12452, 19908), (13272, 18678), (13584, 18249), (13904, 17829), (15642, 15848)]