204077960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5309}}^1$

素因数の和:5382

約数の個数: 48

約数和(自身を含む): 474554700

約数和(自身を除く): 270476740

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5309, 7688, 9610, 10618, 19220, 21236, 26545, 38440, 42472, 53090, 106180, 164579, 212360, 329158, 658316, 822895, 1316632, 1645790, 3291580, 5101949, 6583160, 10203898, 20407796, 25509745, 40815592, 51019490, 102038980, 204077960]

約数ペア:

[(1, 204077960), (2, 102038980), (4, 51019490), (5, 40815592), (8, 25509745), (10, 20407796), (20, 10203898), (31, 6583160), (40, 5101949), (62, 3291580), (124, 1645790), (155, 1316632), (248, 822895), (310, 658316), (620, 329158), (961, 212360), (1240, 164579), (1922, 106180), (3844, 53090), (4805, 42472), (5309, 38440), (7688, 26545), (9610, 21236), (10618, 19220)]