259999488

素因数分解:

$2^8\times 3^2\times 7^4\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 270

約数和(自身を含む): 893138064

約数和(自身を除く): 633138576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 49, 56, 63, 64, 72, 84, 94, 96, 98, 112, 126, 128, 141, 144, 147, 168, 188, 192, 196, 224, 252, 256, 282, 288, 294, 329, 336, 343, 376, 384, 392, 423, 441, 448, 504, 564, 576, 588, 658, 672, 686, 752, 768, 784, 846, 882, 896, 987, 1008, 1029, 1128, 1152, 1176, 1316, 1344, 1372, 1504, 1568, 1692, 1764, 1792, 1974, 2016, 2058, 2256, 2303, 2304, 2352, 2401, 2632, 2688, 2744, 2961, 3008, 3087, 3136, 3384, 3528, 3948, 4032, 4116, 4512, 4606, 4704, 4802, 5264, 5376, 5488, 5922, 6016, 6174, 6272, 6768, 6909, 7056, 7203, 7896, 8064, 8232, 9024, 9212, 9408, 9604, 10528, 10976, 11844, 12032, 12348, 12544, 13536, 13818, 14112, 14406, 15792, 16121, 16128, 16464, 18048, 18424, 18816, 19208, 20727, 21056, 21609, 21952, 23688, 24696, 27072, 27636, 28224, 28812, 31584, 32242, 32928, 36096, 36848, 37632, 38416, 41454, 42112, 43218, 43904, 47376, 48363, 49392, 54144, 55272, 56448, 57624, 63168, 64484, 65856, 73696, 76832, 82908, 84224, 86436, 87808, 94752, 96726, 98784, 108288, 110544, 112847, 112896, 115248, 126336, 128968, 131712, 145089, 147392, 153664, 165816, 172872, 189504, 193452, 197568, 221088, 225694, 230496, 252672, 257936, 263424, 290178, 294784, 307328, 331632, 338541, 345744, 379008, 386904, 395136, 442176, 451388, 460992, 515872, 580356, 589568, 614656, 663264, 677082, 691488, 758016, 773808, 790272, 884352, 902776, 921984, 1015623, 1031744, 1160712, 1326528, 1354164, 1382976, 1547616, 1768704, 1805552, 1843968, 2031246, 2063488, 2321424, 2653056, 2708328, 2765952, 3095232, 3611104, 4062492, 4126976, 4642848, 5306112, 5416656, 5531904, 6190464, 7222208, 8124984, 9285696, 10833312, 12380928, 14444416, 16249968, 18571392, 21666624, 28888832, 32499936, 37142784, 43333248, 64999872, 86666496, 129999744, 259999488]

約数ペア:

[(1, 259999488), (2, 129999744), (3, 86666496), (4, 64999872), (6, 43333248), (7, 37142784), (8, 32499936), (9, 28888832), (12, 21666624), (14, 18571392), (16, 16249968), (18, 14444416), (21, 12380928), (24, 10833312), (28, 9285696), (32, 8124984), (36, 7222208), (42, 6190464), (47, 5531904), (48, 5416656), (49, 5306112), (56, 4642848), (63, 4126976), (64, 4062492), (72, 3611104), (84, 3095232), (94, 2765952), (96, 2708328), (98, 2653056), (112, 2321424), (126, 2063488), (128, 2031246), (141, 1843968), (144, 1805552), (147, 1768704), (168, 1547616), (188, 1382976), (192, 1354164), (196, 1326528), (224, 1160712), (252, 1031744), (256, 1015623), (282, 921984), (288, 902776), (294, 884352), (329, 790272), (336, 773808), (343, 758016), (376, 691488), (384, 677082), (392, 663264), (423, 614656), (441, 589568), (448, 580356), (504, 515872), (564, 460992), (576, 451388), (588, 442176), (658, 395136), (672, 386904), (686, 379008), (752, 345744), (768, 338541), (784, 331632), (846, 307328), (882, 294784), (896, 290178), (987, 263424), (1008, 257936), (1029, 252672), (1128, 230496), (1152, 225694), (1176, 221088), (1316, 197568), (1344, 193452), (1372, 189504), (1504, 172872), (1568, 165816), (1692, 153664), (1764, 147392), (1792, 145089), (1974, 131712), (2016, 128968), (2058, 126336), (2256, 115248), (2303, 112896), (2304, 112847), (2352, 110544), (2401, 108288), (2632, 98784), (2688, 96726), (2744, 94752), (2961, 87808), (3008, 86436), (3087, 84224), (3136, 82908), (3384, 76832), (3528, 73696), (3948, 65856), (4032, 64484), (4116, 63168), (4512, 57624), (4606, 56448), (4704, 55272), (4802, 54144), (5264, 49392), (5376, 48363), (5488, 47376), (5922, 43904), (6016, 43218), (6174, 42112), (6272, 41454), (6768, 38416), (6909, 37632), (7056, 36848), (7203, 36096), (7896, 32928), (8064, 32242), (8232, 31584), (9024, 28812), (9212, 28224), (9408, 27636), (9604, 27072), (10528, 24696), (10976, 23688), (11844, 21952), (12032, 21609), (12348, 21056), (12544, 20727), (13536, 19208), (13818, 18816), (14112, 18424), (14406, 18048), (15792, 16464), (16121, 16128)]