403298840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 1083801600

約数和(自身を除く): 680502760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 97, 124, 140, 155, 194, 217, 248, 280, 310, 388, 434, 479, 485, 620, 679, 776, 868, 958, 970, 1085, 1240, 1358, 1736, 1916, 1940, 2170, 2395, 2716, 3007, 3353, 3395, 3832, 3880, 4340, 4790, 5432, 6014, 6706, 6790, 8680, 9580, 12028, 13412, 13580, 14849, 15035, 16765, 19160, 21049, 24056, 26824, 27160, 29698, 30070, 33530, 42098, 46463, 59396, 60140, 67060, 74245, 84196, 92926, 103943, 105245, 118792, 120280, 134120, 148490, 168392, 185852, 207886, 210490, 232315, 296980, 325241, 371704, 415772, 420980, 464630, 519715, 593960, 650482, 831544, 841960, 929260, 1039430, 1300964, 1440353, 1626205, 1858520, 2078860, 2601928, 2880706, 3252410, 4157720, 5761412, 6504820, 7201765, 10082471, 11522824, 13009640, 14403530, 20164942, 28807060, 40329884, 50412355, 57614120, 80659768, 100824710, 201649420, 403298840]

約数ペア:

[(1, 403298840), (2, 201649420), (4, 100824710), (5, 80659768), (7, 57614120), (8, 50412355), (10, 40329884), (14, 28807060), (20, 20164942), (28, 14403530), (31, 13009640), (35, 11522824), (40, 10082471), (56, 7201765), (62, 6504820), (70, 5761412), (97, 4157720), (124, 3252410), (140, 2880706), (155, 2601928), (194, 2078860), (217, 1858520), (248, 1626205), (280, 1440353), (310, 1300964), (388, 1039430), (434, 929260), (479, 841960), (485, 831544), (620, 650482), (679, 593960), (776, 519715), (868, 464630), (958, 420980), (970, 415772), (1085, 371704), (1240, 325241), (1358, 296980), (1736, 232315), (1916, 210490), (1940, 207886), (2170, 185852), (2395, 168392), (2716, 148490), (3007, 134120), (3353, 120280), (3395, 118792), (3832, 105245), (3880, 103943), (4340, 92926), (4790, 84196), (5432, 74245), (6014, 67060), (6706, 60140), (6790, 59396), (8680, 46463), (9580, 42098), (12028, 33530), (13412, 30070), (13580, 29698), (14849, 27160), (15035, 26824), (16765, 24056), (19160, 21049)]