77850800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 197612352

約数和(自身を除く): 119761552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 47, 50, 80, 82, 94, 100, 101, 164, 188, 200, 202, 205, 235, 328, 376, 400, 404, 410, 470, 505, 656, 752, 808, 820, 940, 1010, 1025, 1175, 1616, 1640, 1880, 1927, 2020, 2050, 2350, 2525, 3280, 3760, 3854, 4040, 4100, 4141, 4700, 4747, 5050, 7708, 8080, 8200, 8282, 9400, 9494, 9635, 10100, 15416, 16400, 16564, 18800, 18988, 19270, 20200, 20705, 23735, 30832, 33128, 37976, 38540, 40400, 41410, 47470, 48175, 66256, 75952, 77080, 82820, 94940, 96350, 103525, 118675, 154160, 165640, 189880, 192700, 194627, 207050, 237350, 331280, 379760, 385400, 389254, 414100, 474700, 770800, 778508, 828200, 949400, 973135, 1557016, 1656400, 1898800, 1946270, 3114032, 3892540, 4865675, 7785080, 9731350, 15570160, 19462700, 38925400, 77850800]

約数ペア:

[(1, 77850800), (2, 38925400), (4, 19462700), (5, 15570160), (8, 9731350), (10, 7785080), (16, 4865675), (20, 3892540), (25, 3114032), (40, 1946270), (41, 1898800), (47, 1656400), (50, 1557016), (80, 973135), (82, 949400), (94, 828200), (100, 778508), (101, 770800), (164, 474700), (188, 414100), (200, 389254), (202, 385400), (205, 379760), (235, 331280), (328, 237350), (376, 207050), (400, 194627), (404, 192700), (410, 189880), (470, 165640), (505, 154160), (656, 118675), (752, 103525), (808, 96350), (820, 94940), (940, 82820), (1010, 77080), (1025, 75952), (1175, 66256), (1616, 48175), (1640, 47470), (1880, 41410), (1927, 40400), (2020, 38540), (2050, 37976), (2350, 33128), (2525, 30832), (3280, 23735), (3760, 20705), (3854, 20200), (4040, 19270), (4100, 18988), (4141, 18800), (4700, 16564), (4747, 16400), (5050, 15416), (7708, 10100), (8080, 9635), (8200, 9494), (8282, 9400)]