209543300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{48731}}^1$

素因数の和:48788

約数の個数: 36

約数和(自身を含む): 465293136

約数和(自身を除く): 255749836

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 48731, 97462, 194924, 243655, 487310, 974620, 1218275, 2095433, 2436550, 4190866, 4873100, 8381732, 10477165, 20954330, 41908660, 52385825, 104771650, 209543300]

約数ペア:

[(1, 209543300), (2, 104771650), (4, 52385825), (5, 41908660), (10, 20954330), (20, 10477165), (25, 8381732), (43, 4873100), (50, 4190866), (86, 2436550), (100, 2095433), (172, 1218275), (215, 974620), (430, 487310), (860, 243655), (1075, 194924), (2150, 97462), (4300, 48731)]