314840980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221719}}^1$

素因数の和:221799

約数の個数: 24

約数和(自身を含む): 670481280

約数和(自身を除く): 355640300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 221719, 443438, 886876, 1108595, 2217190, 4434380, 15742049, 31484098, 62968196, 78710245, 157420490, 314840980]

約数ペア:

[(1, 314840980), (2, 157420490), (4, 78710245), (5, 62968196), (10, 31484098), (20, 15742049), (71, 4434380), (142, 2217190), (284, 1108595), (355, 886876), (710, 443438), (1420, 221719)]