1996260

素因数分解:

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

素因数の和:130

約数の個数: 96

約数和(自身を含む): 6585600

約数和(自身を除く): 4589340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 210, 245, 291, 294, 343, 388, 420, 485, 490, 582, 588, 679, 686, 735, 970, 980, 1029, 1164, 1358, 1372, 1455, 1470, 1715, 1940, 2037, 2058, 2716, 2910, 2940, 3395, 3430, 4074, 4116, 4753, 5145, 5820, 6790, 6860, 8148, 9506, 10185, 10290, 13580, 14259, 19012, 20370, 20580, 23765, 28518, 33271, 40740, 47530, 57036, 66542, 71295, 95060, 99813, 133084, 142590, 166355, 199626, 285180, 332710, 399252, 499065, 665420, 998130, 1996260]

約数ペア:

[(1, 1996260), (2, 998130), (3, 665420), (4, 499065), (5, 399252), (6, 332710), (7, 285180), (10, 199626), (12, 166355), (14, 142590), (15, 133084), (20, 99813), (21, 95060), (28, 71295), (30, 66542), (35, 57036), (42, 47530), (49, 40740), (60, 33271), (70, 28518), (84, 23765), (97, 20580), (98, 20370), (105, 19012), (140, 14259), (147, 13580), (194, 10290), (196, 10185), (210, 9506), (245, 8148), (291, 6860), (294, 6790), (343, 5820), (388, 5145), (420, 4753), (485, 4116), (490, 4074), (582, 3430), (588, 3395), (679, 2940), (686, 2910), (735, 2716), (970, 2058), (980, 2037), (1029, 1940), (1164, 1715), (1358, 1470), (1372, 1455)]