49142140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 105995232

約数和(自身を除く): 56853092

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 347, 365, 388, 485, 694, 730, 970, 1388, 1460, 1735, 1940, 3470, 6940, 7081, 14162, 25331, 28324, 33659, 35405, 50662, 67318, 70810, 101324, 126655, 134636, 141620, 168295, 253310, 336590, 506620, 673180, 2457107, 4914214, 9828428, 12285535, 24571070, 49142140]

約数ペア:

[(1, 49142140), (2, 24571070), (4, 12285535), (5, 9828428), (10, 4914214), (20, 2457107), (73, 673180), (97, 506620), (146, 336590), (194, 253310), (292, 168295), (347, 141620), (365, 134636), (388, 126655), (485, 101324), (694, 70810), (730, 67318), (970, 50662), (1388, 35405), (1460, 33659), (1735, 28324), (1940, 25331), (3470, 14162), (6940, 7081)]