201649420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 505774080

約数和(自身を除く): 304124660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 97, 124, 140, 155, 194, 217, 310, 388, 434, 479, 485, 620, 679, 868, 958, 970, 1085, 1358, 1916, 1940, 2170, 2395, 2716, 3007, 3353, 3395, 4340, 4790, 6014, 6706, 6790, 9580, 12028, 13412, 13580, 14849, 15035, 16765, 21049, 29698, 30070, 33530, 42098, 46463, 59396, 60140, 67060, 74245, 84196, 92926, 103943, 105245, 148490, 185852, 207886, 210490, 232315, 296980, 325241, 415772, 420980, 464630, 519715, 650482, 929260, 1039430, 1300964, 1440353, 1626205, 2078860, 2880706, 3252410, 5761412, 6504820, 7201765, 10082471, 14403530, 20164942, 28807060, 40329884, 50412355, 100824710, 201649420]

約数ペア:

[(1, 201649420), (2, 100824710), (4, 50412355), (5, 40329884), (7, 28807060), (10, 20164942), (14, 14403530), (20, 10082471), (28, 7201765), (31, 6504820), (35, 5761412), (62, 3252410), (70, 2880706), (97, 2078860), (124, 1626205), (140, 1440353), (155, 1300964), (194, 1039430), (217, 929260), (310, 650482), (388, 519715), (434, 464630), (479, 420980), (485, 415772), (620, 325241), (679, 296980), (868, 232315), (958, 210490), (970, 207886), (1085, 185852), (1358, 148490), (1916, 105245), (1940, 103943), (2170, 92926), (2395, 84196), (2716, 74245), (3007, 67060), (3353, 60140), (3395, 59396), (4340, 46463), (4790, 42098), (6014, 33530), (6706, 30070), (6790, 29698), (9580, 21049), (12028, 16765), (13412, 15035), (13580, 14849)]