209626450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{34649}}^1$

素因数の和:34683

約数の個数: 36

約数和(自身を含む): 428585850

約数和(自身を除く): 218959400

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 6050, 34649, 69298, 173245, 346490, 381139, 762278, 866225, 1732450, 1905695, 3811390, 4192529, 8385058, 9528475, 19056950, 20962645, 41925290, 104813225, 209626450]

約数ペア:

[(1, 209626450), (2, 104813225), (5, 41925290), (10, 20962645), (11, 19056950), (22, 9528475), (25, 8385058), (50, 4192529), (55, 3811390), (110, 1905695), (121, 1732450), (242, 866225), (275, 762278), (550, 381139), (605, 346490), (1210, 173245), (3025, 69298), (6050, 34649)]