208745650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 402652800

約数和(自身を除く): 193907150

約数列:

[1, 2, 5, 10, 25, 43, 50, 79, 86, 158, 215, 395, 430, 790, 1075, 1229, 1975, 2150, 2458, 3397, 3950, 6145, 6794, 12290, 16985, 30725, 33970, 52847, 61450, 84925, 97091, 105694, 169850, 194182, 264235, 485455, 528470, 970910, 1321175, 2427275, 2642350, 4174913, 4854550, 8349826, 20874565, 41749130, 104372825, 208745650]

約数ペア:

[(1, 208745650), (2, 104372825), (5, 41749130), (10, 20874565), (25, 8349826), (43, 4854550), (50, 4174913), (79, 2642350), (86, 2427275), (158, 1321175), (215, 970910), (395, 528470), (430, 485455), (790, 264235), (1075, 194182), (1229, 169850), (1975, 105694), (2150, 97091), (2458, 84925), (3397, 61450), (3950, 52847), (6145, 33970), (6794, 30725), (12290, 16985)]