400007328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:299

約数の個数: 192

約数和(自身を含む): 1248952320

約数和(自身を除く): 848944992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 84, 86, 96, 109, 112, 127, 129, 168, 172, 218, 224, 254, 258, 301, 327, 336, 344, 381, 436, 508, 516, 602, 654, 672, 688, 762, 763, 872, 889, 903, 1016, 1032, 1204, 1308, 1376, 1524, 1526, 1744, 1778, 1806, 2032, 2064, 2289, 2408, 2616, 2667, 3048, 3052, 3488, 3556, 3612, 4064, 4128, 4578, 4687, 4816, 5232, 5334, 5461, 6096, 6104, 7112, 7224, 9156, 9374, 9632, 10464, 10668, 10922, 12192, 12208, 13843, 14061, 14224, 14448, 16383, 18312, 18748, 21336, 21844, 24416, 27686, 28122, 28448, 28896, 32766, 32809, 36624, 37496, 38227, 41529, 42672, 43688, 55372, 56244, 65532, 65618, 73248, 74992, 76454, 83058, 85344, 87376, 96901, 98427, 110744, 112488, 114681, 131064, 131236, 149984, 152908, 166116, 174752, 193802, 196854, 221488, 224976, 229362, 262128, 262472, 290703, 305816, 332232, 387604, 393708, 442976, 449952, 458724, 524256, 524944, 581406, 595249, 611632, 664464, 775208, 787416, 917448, 1049888, 1162812, 1190498, 1223264, 1328928, 1550416, 1574832, 1785747, 1834896, 2325624, 2380996, 3100832, 3149664, 3571494, 3669792, 4166743, 4651248, 4761992, 7142988, 8333486, 9302496, 9523984, 12500229, 14285976, 16666972, 19047968, 25000458, 28571952, 33333944, 50000916, 57143904, 66667888, 100001832, 133335776, 200003664, 400007328]

約数ペア:

[(1, 400007328), (2, 200003664), (3, 133335776), (4, 100001832), (6, 66667888), (7, 57143904), (8, 50000916), (12, 33333944), (14, 28571952), (16, 25000458), (21, 19047968), (24, 16666972), (28, 14285976), (32, 12500229), (42, 9523984), (43, 9302496), (48, 8333486), (56, 7142988), (84, 4761992), (86, 4651248), (96, 4166743), (109, 3669792), (112, 3571494), (127, 3149664), (129, 3100832), (168, 2380996), (172, 2325624), (218, 1834896), (224, 1785747), (254, 1574832), (258, 1550416), (301, 1328928), (327, 1223264), (336, 1190498), (344, 1162812), (381, 1049888), (436, 917448), (508, 787416), (516, 775208), (602, 664464), (654, 611632), (672, 595249), (688, 581406), (762, 524944), (763, 524256), (872, 458724), (889, 449952), (903, 442976), (1016, 393708), (1032, 387604), (1204, 332232), (1308, 305816), (1376, 290703), (1524, 262472), (1526, 262128), (1744, 229362), (1778, 224976), (1806, 221488), (2032, 196854), (2064, 193802), (2289, 174752), (2408, 166116), (2616, 152908), (2667, 149984), (3048, 131236), (3052, 131064), (3488, 114681), (3556, 112488), (3612, 110744), (4064, 98427), (4128, 96901), (4578, 87376), (4687, 85344), (4816, 83058), (5232, 76454), (5334, 74992), (5461, 73248), (6096, 65618), (6104, 65532), (7112, 56244), (7224, 55372), (9156, 43688), (9374, 42672), (9632, 41529), (10464, 38227), (10668, 37496), (10922, 36624), (12192, 32809), (12208, 32766), (13843, 28896), (14061, 28448), (14224, 28122), (14448, 27686), (16383, 24416), (18312, 21844), (18748, 21336)]