204996890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 458498880

約数和(自身を除く): 253501990

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 97, 98, 133, 190, 194, 227, 245, 266, 454, 485, 490, 665, 679, 931, 970, 1135, 1330, 1358, 1589, 1843, 1862, 2270, 3178, 3395, 3686, 4313, 4655, 4753, 6790, 7945, 8626, 9215, 9310, 9506, 11123, 12901, 15890, 18430, 21565, 22019, 22246, 23765, 25802, 30191, 43130, 44038, 47530, 55615, 60382, 64505, 90307, 110095, 111230, 129010, 150955, 154133, 180614, 211337, 220190, 301910, 308266, 418361, 422674, 451535, 770665, 836722, 903070, 1056685, 1078931, 1541330, 2091805, 2113370, 2157862, 2928527, 4183610, 5394655, 5857054, 10789310, 14642635, 20499689, 29285270, 40999378, 102498445, 204996890]

約数ペア:

[(1, 204996890), (2, 102498445), (5, 40999378), (7, 29285270), (10, 20499689), (14, 14642635), (19, 10789310), (35, 5857054), (38, 5394655), (49, 4183610), (70, 2928527), (95, 2157862), (97, 2113370), (98, 2091805), (133, 1541330), (190, 1078931), (194, 1056685), (227, 903070), (245, 836722), (266, 770665), (454, 451535), (485, 422674), (490, 418361), (665, 308266), (679, 301910), (931, 220190), (970, 211337), (1135, 180614), (1330, 154133), (1358, 150955), (1589, 129010), (1843, 111230), (1862, 110095), (2270, 90307), (3178, 64505), (3395, 60382), (3686, 55615), (4313, 47530), (4655, 44038), (4753, 43130), (6790, 30191), (7945, 25802), (8626, 23765), (9215, 22246), (9310, 22019), (9506, 21565), (11123, 18430), (12901, 15890)]