89772400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 228333600

約数和(自身を除く): 138561200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 71, 80, 100, 109, 116, 142, 145, 200, 218, 232, 284, 290, 355, 400, 436, 464, 545, 568, 580, 710, 725, 872, 1090, 1136, 1160, 1420, 1450, 1744, 1775, 2059, 2180, 2320, 2725, 2840, 2900, 3161, 3550, 4118, 4360, 5450, 5680, 5800, 6322, 7100, 7739, 8236, 8720, 10295, 10900, 11600, 12644, 14200, 15478, 15805, 16472, 20590, 21800, 25288, 28400, 30956, 31610, 32944, 38695, 41180, 43600, 50576, 51475, 61912, 63220, 77390, 79025, 82360, 102950, 123824, 126440, 154780, 158050, 164720, 193475, 205900, 224431, 252880, 309560, 316100, 386950, 411800, 448862, 619120, 632200, 773900, 823600, 897724, 1122155, 1264400, 1547800, 1795448, 2244310, 3095600, 3590896, 4488620, 5610775, 8977240, 11221550, 17954480, 22443100, 44886200, 89772400]

約数ペア:

[(1, 89772400), (2, 44886200), (4, 22443100), (5, 17954480), (8, 11221550), (10, 8977240), (16, 5610775), (20, 4488620), (25, 3590896), (29, 3095600), (40, 2244310), (50, 1795448), (58, 1547800), (71, 1264400), (80, 1122155), (100, 897724), (109, 823600), (116, 773900), (142, 632200), (145, 619120), (200, 448862), (218, 411800), (232, 386950), (284, 316100), (290, 309560), (355, 252880), (400, 224431), (436, 205900), (464, 193475), (545, 164720), (568, 158050), (580, 154780), (710, 126440), (725, 123824), (872, 102950), (1090, 82360), (1136, 79025), (1160, 77390), (1420, 63220), (1450, 61912), (1744, 51475), (1775, 50576), (2059, 43600), (2180, 41180), (2320, 38695), (2725, 32944), (2840, 31610), (2900, 30956), (3161, 28400), (3550, 25288), (4118, 21800), (4360, 20590), (5450, 16472), (5680, 15805), (5800, 15478), (6322, 14200), (7100, 12644), (7739, 11600), (8236, 10900), (8720, 10295)]