209572400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{16901}}^1$

素因数の和:16950

約数の個数: 60

約数和(自身を含む): 519770304

約数和(自身を除く): 310197904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 16901, 33802, 67604, 84505, 135208, 169010, 270416, 338020, 422525, 523931, 676040, 845050, 1047862, 1352080, 1690100, 2095724, 2619655, 3380200, 4191448, 5239310, 6760400, 8382896, 10478620, 13098275, 20957240, 26196550, 41914480, 52393100, 104786200, 209572400]

約数ペア:

[(1, 209572400), (2, 104786200), (4, 52393100), (5, 41914480), (8, 26196550), (10, 20957240), (16, 13098275), (20, 10478620), (25, 8382896), (31, 6760400), (40, 5239310), (50, 4191448), (62, 3380200), (80, 2619655), (100, 2095724), (124, 1690100), (155, 1352080), (200, 1047862), (248, 845050), (310, 676040), (400, 523931), (496, 422525), (620, 338020), (775, 270416), (1240, 169010), (1550, 135208), (2480, 84505), (3100, 67604), (6200, 33802), (12400, 16901)]