334758440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 814302720

約数和(自身を除く): 479544280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 47, 82, 86, 94, 101, 164, 172, 188, 202, 205, 215, 235, 328, 344, 376, 404, 410, 430, 470, 505, 808, 820, 860, 940, 1010, 1640, 1720, 1763, 1880, 1927, 2020, 2021, 3526, 3854, 4040, 4042, 4141, 4343, 4747, 7052, 7708, 8084, 8282, 8686, 8815, 9494, 9635, 10105, 14104, 15416, 16168, 16564, 17372, 17630, 18988, 19270, 20210, 20705, 21715, 23735, 33128, 34744, 35260, 37976, 38540, 40420, 41410, 43430, 47470, 70520, 77080, 80840, 82820, 82861, 86860, 94940, 165640, 165722, 173720, 178063, 189880, 194627, 204121, 331444, 356126, 389254, 408242, 414305, 662888, 712252, 778508, 816484, 828610, 890315, 973135, 1020605, 1424504, 1557016, 1632968, 1657220, 1780630, 1946270, 2041210, 3314440, 3561260, 3892540, 4082420, 7122520, 7785080, 8164840, 8368961, 16737922, 33475844, 41844805, 66951688, 83689610, 167379220, 334758440]

約数ペア:

[(1, 334758440), (2, 167379220), (4, 83689610), (5, 66951688), (8, 41844805), (10, 33475844), (20, 16737922), (40, 8368961), (41, 8164840), (43, 7785080), (47, 7122520), (82, 4082420), (86, 3892540), (94, 3561260), (101, 3314440), (164, 2041210), (172, 1946270), (188, 1780630), (202, 1657220), (205, 1632968), (215, 1557016), (235, 1424504), (328, 1020605), (344, 973135), (376, 890315), (404, 828610), (410, 816484), (430, 778508), (470, 712252), (505, 662888), (808, 414305), (820, 408242), (860, 389254), (940, 356126), (1010, 331444), (1640, 204121), (1720, 194627), (1763, 189880), (1880, 178063), (1927, 173720), (2020, 165722), (2021, 165640), (3526, 94940), (3854, 86860), (4040, 82861), (4042, 82820), (4141, 80840), (4343, 77080), (4747, 70520), (7052, 47470), (7708, 43430), (8084, 41410), (8282, 40420), (8686, 38540), (8815, 37976), (9494, 35260), (9635, 34744), (10105, 33128), (14104, 23735), (15416, 21715), (16168, 20705), (16564, 20210), (17372, 19270), (17630, 18988)]