254499800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 613554480

約数和(自身を除く): 359054680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 101, 172, 200, 202, 215, 293, 344, 404, 430, 505, 586, 808, 860, 1010, 1075, 1172, 1465, 1720, 2020, 2150, 2344, 2525, 2930, 4040, 4300, 4343, 5050, 5860, 7325, 8600, 8686, 10100, 11720, 12599, 14650, 17372, 20200, 21715, 25198, 29300, 29593, 34744, 43430, 50396, 58600, 59186, 62995, 86860, 100792, 108575, 118372, 125990, 147965, 173720, 217150, 236744, 251980, 295930, 314975, 434300, 503960, 591860, 629950, 739825, 868600, 1183720, 1259900, 1272499, 1479650, 2519800, 2544998, 2959300, 5089996, 5918600, 6362495, 10179992, 12724990, 25449980, 31812475, 50899960, 63624950, 127249900, 254499800]

約数ペア:

[(1, 254499800), (2, 127249900), (4, 63624950), (5, 50899960), (8, 31812475), (10, 25449980), (20, 12724990), (25, 10179992), (40, 6362495), (43, 5918600), (50, 5089996), (86, 2959300), (100, 2544998), (101, 2519800), (172, 1479650), (200, 1272499), (202, 1259900), (215, 1183720), (293, 868600), (344, 739825), (404, 629950), (430, 591860), (505, 503960), (586, 434300), (808, 314975), (860, 295930), (1010, 251980), (1075, 236744), (1172, 217150), (1465, 173720), (1720, 147965), (2020, 125990), (2150, 118372), (2344, 108575), (2525, 100792), (2930, 86860), (4040, 62995), (4300, 59186), (4343, 58600), (5050, 50396), (5860, 43430), (7325, 34744), (8600, 29593), (8686, 29300), (10100, 25198), (11720, 21715), (12599, 20200), (14650, 17372)]