18802000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 55710720

約数和(自身を除く): 36908720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 79, 80, 85, 100, 112, 119, 125, 136, 140, 158, 170, 175, 200, 238, 250, 272, 280, 316, 340, 350, 395, 400, 425, 476, 500, 553, 560, 595, 632, 680, 700, 790, 850, 875, 952, 1000, 1106, 1190, 1264, 1343, 1360, 1400, 1580, 1700, 1750, 1904, 1975, 2000, 2125, 2212, 2380, 2686, 2765, 2800, 2975, 3160, 3400, 3500, 3950, 4250, 4424, 4760, 5372, 5530, 5950, 6320, 6715, 6800, 7000, 7900, 8500, 8848, 9401, 9520, 9875, 10744, 11060, 11900, 13430, 13825, 14000, 14875, 15800, 17000, 18802, 19750, 21488, 22120, 23800, 26860, 27650, 29750, 31600, 33575, 34000, 37604, 39500, 44240, 47005, 47600, 53720, 55300, 59500, 67150, 69125, 75208, 79000, 94010, 107440, 110600, 119000, 134300, 138250, 150416, 158000, 167875, 188020, 221200, 235025, 238000, 268600, 276500, 335750, 376040, 470050, 537200, 553000, 671500, 752080, 940100, 1106000, 1175125, 1343000, 1880200, 2350250, 2686000, 3760400, 4700500, 9401000, 18802000]

約数ペア:

[(1, 18802000), (2, 9401000), (4, 4700500), (5, 3760400), (7, 2686000), (8, 2350250), (10, 1880200), (14, 1343000), (16, 1175125), (17, 1106000), (20, 940100), (25, 752080), (28, 671500), (34, 553000), (35, 537200), (40, 470050), (50, 376040), (56, 335750), (68, 276500), (70, 268600), (79, 238000), (80, 235025), (85, 221200), (100, 188020), (112, 167875), (119, 158000), (125, 150416), (136, 138250), (140, 134300), (158, 119000), (170, 110600), (175, 107440), (200, 94010), (238, 79000), (250, 75208), (272, 69125), (280, 67150), (316, 59500), (340, 55300), (350, 53720), (395, 47600), (400, 47005), (425, 44240), (476, 39500), (500, 37604), (553, 34000), (560, 33575), (595, 31600), (632, 29750), (680, 27650), (700, 26860), (790, 23800), (850, 22120), (875, 21488), (952, 19750), (1000, 18802), (1106, 17000), (1190, 15800), (1264, 14875), (1343, 14000), (1360, 13825), (1400, 13430), (1580, 11900), (1700, 11060), (1750, 10744), (1904, 9875), (1975, 9520), (2000, 9401), (2125, 8848), (2212, 8500), (2380, 7900), (2686, 7000), (2765, 6800), (2800, 6715), (2975, 6320), (3160, 5950), (3400, 5530), (3500, 5372), (3950, 4760), (4250, 4424)]