208580890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{15439}}^1$

素因数の和:15646

約数の個数: 32

約数和(自身を含む): 431331840

約数和(自身を除く): 222750950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1930, 2702, 6755, 13510, 15439, 30878, 77195, 108073, 154390, 216146, 540365, 1080730, 2979727, 5959454, 14898635, 20858089, 29797270, 41716178, 104290445, 208580890]

約数ペア:

[(1, 208580890), (2, 104290445), (5, 41716178), (7, 29797270), (10, 20858089), (14, 14898635), (35, 5959454), (70, 2979727), (193, 1080730), (386, 540365), (965, 216146), (1351, 154390), (1930, 108073), (2702, 77195), (6755, 30878), (13510, 15439)]