228899720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 611573760

約数和(自身を除く): 382674040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 127, 140, 157, 164, 205, 254, 280, 287, 314, 328, 410, 508, 574, 628, 635, 785, 820, 889, 1016, 1099, 1148, 1256, 1270, 1435, 1570, 1640, 1778, 2198, 2296, 2540, 2870, 3140, 3556, 4396, 4445, 5080, 5207, 5495, 5740, 6280, 6437, 7112, 8792, 8890, 10414, 10990, 11480, 12874, 17780, 19939, 20828, 21980, 25748, 26035, 32185, 35560, 36449, 39878, 41656, 43960, 45059, 51496, 52070, 64370, 72898, 79756, 90118, 99695, 104140, 128740, 139573, 145796, 159512, 180236, 182245, 199390, 208280, 225295, 257480, 279146, 291592, 360472, 364490, 398780, 450590, 558292, 697865, 728980, 797560, 817499, 901180, 1116584, 1395730, 1457960, 1634998, 1802360, 2791460, 3269996, 4087495, 5582920, 5722493, 6539992, 8174990, 11444986, 16349980, 22889972, 28612465, 32699960, 45779944, 57224930, 114449860, 228899720]

約数ペア:

[(1, 228899720), (2, 114449860), (4, 57224930), (5, 45779944), (7, 32699960), (8, 28612465), (10, 22889972), (14, 16349980), (20, 11444986), (28, 8174990), (35, 6539992), (40, 5722493), (41, 5582920), (56, 4087495), (70, 3269996), (82, 2791460), (127, 1802360), (140, 1634998), (157, 1457960), (164, 1395730), (205, 1116584), (254, 901180), (280, 817499), (287, 797560), (314, 728980), (328, 697865), (410, 558292), (508, 450590), (574, 398780), (628, 364490), (635, 360472), (785, 291592), (820, 279146), (889, 257480), (1016, 225295), (1099, 208280), (1148, 199390), (1256, 182245), (1270, 180236), (1435, 159512), (1570, 145796), (1640, 139573), (1778, 128740), (2198, 104140), (2296, 99695), (2540, 90118), (2870, 79756), (3140, 72898), (3556, 64370), (4396, 52070), (4445, 51496), (5080, 45059), (5207, 43960), (5495, 41656), (5740, 39878), (6280, 36449), (6437, 35560), (7112, 32185), (8792, 26035), (8890, 25748), (10414, 21980), (10990, 20828), (11480, 19939), (12874, 17780)]