871467940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^3\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 2274395760

約数和(自身を除く): 1402927820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 181, 196, 238, 245, 289, 340, 362, 476, 490, 578, 595, 724, 833, 905, 980, 1156, 1190, 1267, 1445, 1666, 1810, 2023, 2380, 2534, 2890, 3077, 3332, 3620, 4046, 4165, 4913, 5068, 5780, 6154, 6335, 8092, 8330, 8869, 9826, 10115, 12308, 12670, 14161, 15385, 16660, 17738, 19652, 20230, 21539, 24565, 25340, 28322, 30770, 34391, 35476, 40460, 43078, 44345, 49130, 52309, 56644, 61540, 68782, 70805, 86156, 88690, 98260, 104618, 107695, 137564, 141610, 150773, 171955, 177380, 209236, 215390, 240737, 261545, 283220, 301546, 343910, 366163, 430780, 481474, 523090, 603092, 687820, 732326, 753865, 889253, 962948, 1046180, 1203685, 1464652, 1507730, 1778506, 1830815, 2407370, 2563141, 3015460, 3557012, 3661630, 4446265, 4814740, 5126282, 6224771, 7323260, 8892530, 10252564, 12449542, 12815705, 17785060, 24899084, 25631410, 31123855, 43573397, 51262820, 62247710, 87146794, 124495420, 174293588, 217866985, 435733970, 871467940]

約数ペア:

[(1, 871467940), (2, 435733970), (4, 217866985), (5, 174293588), (7, 124495420), (10, 87146794), (14, 62247710), (17, 51262820), (20, 43573397), (28, 31123855), (34, 25631410), (35, 24899084), (49, 17785060), (68, 12815705), (70, 12449542), (85, 10252564), (98, 8892530), (119, 7323260), (140, 6224771), (170, 5126282), (181, 4814740), (196, 4446265), (238, 3661630), (245, 3557012), (289, 3015460), (340, 2563141), (362, 2407370), (476, 1830815), (490, 1778506), (578, 1507730), (595, 1464652), (724, 1203685), (833, 1046180), (905, 962948), (980, 889253), (1156, 753865), (1190, 732326), (1267, 687820), (1445, 603092), (1666, 523090), (1810, 481474), (2023, 430780), (2380, 366163), (2534, 343910), (2890, 301546), (3077, 283220), (3332, 261545), (3620, 240737), (4046, 215390), (4165, 209236), (4913, 177380), (5068, 171955), (5780, 150773), (6154, 141610), (6335, 137564), (8092, 107695), (8330, 104618), (8869, 98260), (9826, 88690), (10115, 86156), (12308, 70805), (12670, 68782), (14161, 61540), (15385, 56644), (16660, 52309), (17738, 49130), (19652, 44345), (20230, 43078), (21539, 40460), (24565, 35476), (25340, 34391), (28322, 30770)]