209230940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{3719}}^1$

素因数の和:3854

約数の個数: 48

約数和(自身を含む): 459345600

約数和(自身を除く): 250114660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 580, 970, 1940, 2813, 3719, 5626, 7438, 11252, 14065, 14876, 18595, 28130, 37190, 56260, 74380, 107851, 215702, 360743, 431404, 539255, 721486, 1078510, 1442972, 1803715, 2157020, 3607430, 7214860, 10461547, 20923094, 41846188, 52307735, 104615470, 209230940]

約数ペア:

[(1, 209230940), (2, 104615470), (4, 52307735), (5, 41846188), (10, 20923094), (20, 10461547), (29, 7214860), (58, 3607430), (97, 2157020), (116, 1803715), (145, 1442972), (194, 1078510), (290, 721486), (388, 539255), (485, 431404), (580, 360743), (970, 215702), (1940, 107851), (2813, 74380), (3719, 56260), (5626, 37190), (7438, 28130), (11252, 18595), (14065, 14876)]