315605000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 809740800

約数和(自身を除く): 494135800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 47, 50, 68, 79, 85, 94, 100, 125, 136, 158, 170, 188, 200, 235, 250, 316, 340, 376, 395, 425, 470, 500, 625, 632, 680, 790, 799, 850, 940, 1000, 1175, 1250, 1343, 1580, 1598, 1700, 1880, 1975, 2125, 2350, 2500, 2686, 3160, 3196, 3400, 3713, 3950, 3995, 4250, 4700, 5000, 5372, 5875, 6392, 6715, 7426, 7900, 7990, 8500, 9400, 9875, 10625, 10744, 11750, 13430, 14852, 15800, 15980, 17000, 18565, 19750, 19975, 21250, 23500, 26860, 29375, 29704, 31960, 33575, 37130, 39500, 39950, 42500, 47000, 49375, 53720, 58750, 63121, 67150, 74260, 79000, 79900, 85000, 92825, 98750, 99875, 117500, 126242, 134300, 148520, 159800, 167875, 185650, 197500, 199750, 235000, 252484, 268600, 315605, 335750, 371300, 395000, 399500, 464125, 499375, 504968, 631210, 671500, 742600, 799000, 839375, 928250, 998750, 1262420, 1343000, 1578025, 1678750, 1856500, 1997500, 2320625, 2524840, 3156050, 3357500, 3713000, 3995000, 4641250, 6312100, 6715000, 7890125, 9282500, 12624200, 15780250, 18565000, 31560500, 39450625, 63121000, 78901250, 157802500, 315605000]

約数ペア:

[(1, 315605000), (2, 157802500), (4, 78901250), (5, 63121000), (8, 39450625), (10, 31560500), (17, 18565000), (20, 15780250), (25, 12624200), (34, 9282500), (40, 7890125), (47, 6715000), (50, 6312100), (68, 4641250), (79, 3995000), (85, 3713000), (94, 3357500), (100, 3156050), (125, 2524840), (136, 2320625), (158, 1997500), (170, 1856500), (188, 1678750), (200, 1578025), (235, 1343000), (250, 1262420), (316, 998750), (340, 928250), (376, 839375), (395, 799000), (425, 742600), (470, 671500), (500, 631210), (625, 504968), (632, 499375), (680, 464125), (790, 399500), (799, 395000), (850, 371300), (940, 335750), (1000, 315605), (1175, 268600), (1250, 252484), (1343, 235000), (1580, 199750), (1598, 197500), (1700, 185650), (1880, 167875), (1975, 159800), (2125, 148520), (2350, 134300), (2500, 126242), (2686, 117500), (3160, 99875), (3196, 98750), (3400, 92825), (3713, 85000), (3950, 79900), (3995, 79000), (4250, 74260), (4700, 67150), (5000, 63121), (5372, 58750), (5875, 53720), (6392, 49375), (6715, 47000), (7426, 42500), (7900, 39950), (7990, 39500), (8500, 37130), (9400, 33575), (9875, 31960), (10625, 29704), (10744, 29375), (11750, 26860), (13430, 23500), (14852, 21250), (15800, 19975), (15980, 19750), (17000, 18565)]