251012800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 168

約数和(自身を含む): 680313600

約数和(自身を除く): 429300800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 32, 38, 40, 46, 50, 64, 76, 80, 92, 95, 100, 115, 152, 160, 184, 190, 200, 230, 304, 320, 359, 368, 380, 400, 437, 460, 475, 575, 608, 718, 736, 760, 800, 874, 920, 950, 1150, 1216, 1436, 1472, 1520, 1600, 1748, 1795, 1840, 1900, 2185, 2300, 2872, 3040, 3496, 3590, 3680, 3800, 4370, 4600, 5744, 6080, 6821, 6992, 7180, 7360, 7600, 8257, 8740, 8975, 9200, 10925, 11488, 13642, 13984, 14360, 15200, 16514, 17480, 17950, 18400, 21850, 22976, 27284, 27968, 28720, 30400, 33028, 34105, 34960, 35900, 36800, 41285, 43700, 54568, 57440, 66056, 68210, 69920, 71800, 82570, 87400, 109136, 114880, 132112, 136420, 139840, 143600, 156883, 165140, 170525, 174800, 206425, 218272, 264224, 272840, 287200, 313766, 330280, 341050, 349600, 412850, 436544, 528448, 545680, 574400, 627532, 660560, 682100, 699200, 784415, 825700, 1091360, 1255064, 1321120, 1364200, 1568830, 1651400, 2182720, 2510128, 2642240, 2728400, 3137660, 3302800, 3922075, 5020256, 5456800, 6275320, 6605600, 7844150, 10040512, 10913600, 12550640, 13211200, 15688300, 25101280, 31376600, 50202560, 62753200, 125506400, 251012800]

約数ペア:

[(1, 251012800), (2, 125506400), (4, 62753200), (5, 50202560), (8, 31376600), (10, 25101280), (16, 15688300), (19, 13211200), (20, 12550640), (23, 10913600), (25, 10040512), (32, 7844150), (38, 6605600), (40, 6275320), (46, 5456800), (50, 5020256), (64, 3922075), (76, 3302800), (80, 3137660), (92, 2728400), (95, 2642240), (100, 2510128), (115, 2182720), (152, 1651400), (160, 1568830), (184, 1364200), (190, 1321120), (200, 1255064), (230, 1091360), (304, 825700), (320, 784415), (359, 699200), (368, 682100), (380, 660560), (400, 627532), (437, 574400), (460, 545680), (475, 528448), (575, 436544), (608, 412850), (718, 349600), (736, 341050), (760, 330280), (800, 313766), (874, 287200), (920, 272840), (950, 264224), (1150, 218272), (1216, 206425), (1436, 174800), (1472, 170525), (1520, 165140), (1600, 156883), (1748, 143600), (1795, 139840), (1840, 136420), (1900, 132112), (2185, 114880), (2300, 109136), (2872, 87400), (3040, 82570), (3496, 71800), (3590, 69920), (3680, 68210), (3800, 66056), (4370, 57440), (4600, 54568), (5744, 43700), (6080, 41285), (6821, 36800), (6992, 35900), (7180, 34960), (7360, 34105), (7600, 33028), (8257, 30400), (8740, 28720), (8975, 27968), (9200, 27284), (10925, 22976), (11488, 21850), (13642, 18400), (13984, 17950), (14360, 17480), (15200, 16514)]