164356280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3491}}^1$

素因数の和:3620

約数の個数: 64

約数和(自身を含む): 407306880

約数和(自身を除く): 242950600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 2140, 2354, 3491, 4280, 4708, 5885, 6982, 9416, 11770, 13964, 17455, 23540, 27928, 34910, 38401, 47080, 69820, 76802, 139640, 153604, 192005, 307208, 373537, 384010, 747074, 768020, 1494148, 1536040, 1867685, 2988296, 3735370, 4108907, 7470740, 8217814, 14941480, 16435628, 20544535, 32871256, 41089070, 82178140, 164356280]

約数ペア:

[(1, 164356280), (2, 82178140), (4, 41089070), (5, 32871256), (8, 20544535), (10, 16435628), (11, 14941480), (20, 8217814), (22, 7470740), (40, 4108907), (44, 3735370), (55, 2988296), (88, 1867685), (107, 1536040), (110, 1494148), (214, 768020), (220, 747074), (428, 384010), (440, 373537), (535, 307208), (856, 192005), (1070, 153604), (1177, 139640), (2140, 76802), (2354, 69820), (3491, 47080), (4280, 38401), (4708, 34910), (5885, 27928), (6982, 23540), (9416, 17455), (11770, 13964)]