213342760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{38371}}^1$

素因数の和:38521

約数の個数: 32

約数和(自身を含む): 483487200

約数和(自身を除く): 270144440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 38371, 76742, 153484, 191855, 306968, 383710, 767420, 1534840, 5333569, 10667138, 21334276, 26667845, 42668552, 53335690, 106671380, 213342760]

約数ペア:

[(1, 213342760), (2, 106671380), (4, 53335690), (5, 42668552), (8, 26667845), (10, 21334276), (20, 10667138), (40, 5333569), (139, 1534840), (278, 767420), (556, 383710), (695, 306968), (1112, 191855), (1390, 153484), (2780, 76742), (5560, 38371)]