4657940

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{97}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 11528916

約数和(自身を除く): 6870976

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 343, 388, 485, 490, 679, 686, 970, 980, 1358, 1372, 1715, 1940, 2401, 2716, 3395, 3430, 4753, 4802, 6790, 6860, 9506, 9604, 12005, 13580, 19012, 23765, 24010, 33271, 47530, 48020, 66542, 95060, 133084, 166355, 232897, 332710, 465794, 665420, 931588, 1164485, 2328970, 4657940]

約数ペア:

[(1, 4657940), (2, 2328970), (4, 1164485), (5, 931588), (7, 665420), (10, 465794), (14, 332710), (20, 232897), (28, 166355), (35, 133084), (49, 95060), (70, 66542), (97, 48020), (98, 47530), (140, 33271), (194, 24010), (196, 23765), (245, 19012), (343, 13580), (388, 12005), (485, 9604), (490, 9506), (679, 6860), (686, 6790), (970, 4802), (980, 4753), (1358, 3430), (1372, 3395), (1715, 2716), (1940, 2401)]