408045755060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1\times {\mathrm{129193}}^1$

素因数の和:131280

約数の個数: 48

約数和(自身を含む): 868183680000

約数和(自身を除く): 460137924940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1999, 3998, 7996, 9995, 19990, 39980, 129193, 157921, 258386, 315842, 516772, 631684, 645965, 789605, 1291930, 1579210, 2583860, 3158420, 10206247, 20412494, 40824988, 51031235, 102062470, 204124940, 258256807, 516513614, 1033027228, 1291284035, 2582568070, 5165136140, 20402287753, 40804575506, 81609151012, 102011438765, 204022877530, 408045755060]

約数ペア:

[(1, 408045755060), (2, 204022877530), (4, 102011438765), (5, 81609151012), (10, 40804575506), (20, 20402287753), (79, 5165136140), (158, 2582568070), (316, 1291284035), (395, 1033027228), (790, 516513614), (1580, 258256807), (1999, 204124940), (3998, 102062470), (7996, 51031235), (9995, 40824988), (19990, 20412494), (39980, 10206247), (129193, 3158420), (157921, 2583860), (258386, 1579210), (315842, 1291930), (516772, 789605), (631684, 645965)]