280342400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 192

約数和(自身を含む): 780887520

約数和(自身を除く): 500545120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 32, 40, 46, 50, 52, 64, 65, 80, 92, 100, 104, 115, 128, 130, 160, 184, 200, 208, 230, 260, 293, 299, 320, 325, 368, 400, 416, 460, 520, 575, 586, 598, 640, 650, 736, 800, 832, 920, 1040, 1150, 1172, 1196, 1300, 1465, 1472, 1495, 1600, 1664, 1840, 2080, 2300, 2344, 2392, 2600, 2930, 2944, 2990, 3200, 3680, 3809, 4160, 4600, 4688, 4784, 5200, 5860, 5980, 6739, 7325, 7360, 7475, 7618, 8320, 9200, 9376, 9568, 10400, 11720, 11960, 13478, 14650, 14720, 14950, 15236, 18400, 18752, 19045, 19136, 20800, 23440, 23920, 26956, 29300, 29900, 30472, 33695, 36800, 37504, 38090, 38272, 41600, 46880, 47840, 53912, 58600, 59800, 60944, 67390, 73600, 76180, 87607, 93760, 95225, 95680, 107824, 117200, 119600, 121888, 134780, 152360, 168475, 175214, 187520, 190450, 191360, 215648, 234400, 239200, 243776, 269560, 304720, 336950, 350428, 380900, 431296, 438035, 468800, 478400, 487552, 539120, 609440, 673900, 700856, 761800, 862592, 876070, 937600, 956800, 1078240, 1218880, 1347800, 1401712, 1523600, 1752140, 2156480, 2190175, 2437760, 2695600, 2803424, 3047200, 3504280, 4312960, 4380350, 5391200, 5606848, 6094400, 7008560, 8760700, 10782400, 11213696, 12188800, 14017120, 17521400, 21564800, 28034240, 35042800, 56068480, 70085600, 140171200, 280342400]

約数ペア:

[(1, 280342400), (2, 140171200), (4, 70085600), (5, 56068480), (8, 35042800), (10, 28034240), (13, 21564800), (16, 17521400), (20, 14017120), (23, 12188800), (25, 11213696), (26, 10782400), (32, 8760700), (40, 7008560), (46, 6094400), (50, 5606848), (52, 5391200), (64, 4380350), (65, 4312960), (80, 3504280), (92, 3047200), (100, 2803424), (104, 2695600), (115, 2437760), (128, 2190175), (130, 2156480), (160, 1752140), (184, 1523600), (200, 1401712), (208, 1347800), (230, 1218880), (260, 1078240), (293, 956800), (299, 937600), (320, 876070), (325, 862592), (368, 761800), (400, 700856), (416, 673900), (460, 609440), (520, 539120), (575, 487552), (586, 478400), (598, 468800), (640, 438035), (650, 431296), (736, 380900), (800, 350428), (832, 336950), (920, 304720), (1040, 269560), (1150, 243776), (1172, 239200), (1196, 234400), (1300, 215648), (1465, 191360), (1472, 190450), (1495, 187520), (1600, 175214), (1664, 168475), (1840, 152360), (2080, 134780), (2300, 121888), (2344, 119600), (2392, 117200), (2600, 107824), (2930, 95680), (2944, 95225), (2990, 93760), (3200, 87607), (3680, 76180), (3809, 73600), (4160, 67390), (4600, 60944), (4688, 59800), (4784, 58600), (5200, 53912), (5860, 47840), (5980, 46880), (6739, 41600), (7325, 38272), (7360, 38090), (7475, 37504), (7618, 36800), (8320, 33695), (9200, 30472), (9376, 29900), (9568, 29300), (10400, 26956), (11720, 23920), (11960, 23440), (13478, 20800), (14650, 19136), (14720, 19045), (14950, 18752), (15236, 18400)]