2017678060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{27647}}^1$

素因数の和:27786

約数の個数: 48

約数和(自身を含む): 4389396480

約数和(自身を除く): 2371718420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 3649, 7298, 14596, 18245, 27647, 36490, 55294, 72980, 110588, 138235, 276470, 552940, 1133527, 2267054, 2460583, 4534108, 4921166, 5667635, 9842332, 11335270, 12302915, 22670540, 24605830, 49211660, 100883903, 201767806, 403535612, 504419515, 1008839030, 2017678060]

約数ペア:

[(1, 2017678060), (2, 1008839030), (4, 504419515), (5, 403535612), (10, 201767806), (20, 100883903), (41, 49211660), (82, 24605830), (89, 22670540), (164, 12302915), (178, 11335270), (205, 9842332), (356, 5667635), (410, 4921166), (445, 4534108), (820, 2460583), (890, 2267054), (1780, 1133527), (3649, 552940), (7298, 276470), (14596, 138235), (18245, 110588), (27647, 72980), (36490, 55294)]