204906260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41479}}^1$

素因数の和:41520

約数の個数: 48

約数和(自身を含む): 487804800

約数和(自身を除く): 282898540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 41479, 82958, 165916, 207395, 414790, 539227, 788101, 829580, 1078454, 1576202, 2156908, 2696135, 3152404, 3940505, 5392270, 7881010, 10245313, 10784540, 15762020, 20490626, 40981252, 51226565, 102453130, 204906260]

約数ペア:

[(1, 204906260), (2, 102453130), (4, 51226565), (5, 40981252), (10, 20490626), (13, 15762020), (19, 10784540), (20, 10245313), (26, 7881010), (38, 5392270), (52, 3940505), (65, 3152404), (76, 2696135), (95, 2156908), (130, 1576202), (190, 1078454), (247, 829580), (260, 788101), (380, 539227), (494, 414790), (988, 207395), (1235, 165916), (2470, 82958), (4940, 41479)]