668712740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 1474986240

約数和(自身を除く): 806273500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 415, 479, 580, 830, 841, 958, 1660, 1682, 1916, 2395, 2407, 3364, 4205, 4790, 4814, 8410, 9580, 9628, 12035, 13891, 16820, 24070, 27782, 39757, 48140, 55564, 69455, 69803, 79514, 138910, 139606, 159028, 198785, 277820, 279212, 349015, 397570, 402839, 698030, 795140, 805678, 1152953, 1396060, 1611356, 2014195, 2305906, 4028390, 4611812, 5764765, 8056780, 11529530, 23059060, 33435637, 66871274, 133742548, 167178185, 334356370, 668712740]

約数ペア:

[(1, 668712740), (2, 334356370), (4, 167178185), (5, 133742548), (10, 66871274), (20, 33435637), (29, 23059060), (58, 11529530), (83, 8056780), (116, 5764765), (145, 4611812), (166, 4028390), (290, 2305906), (332, 2014195), (415, 1611356), (479, 1396060), (580, 1152953), (830, 805678), (841, 795140), (958, 698030), (1660, 402839), (1682, 397570), (1916, 349015), (2395, 279212), (2407, 277820), (3364, 198785), (4205, 159028), (4790, 139606), (4814, 138910), (8410, 79514), (9580, 69803), (9628, 69455), (12035, 55564), (13891, 48140), (16820, 39757), (24070, 27782)]