210002980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{3373}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 482940864

約数和(自身を除く): 272937884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 566, 1132, 1415, 2830, 3113, 3373, 5660, 6226, 6746, 12452, 13492, 15565, 16865, 31130, 33730, 37103, 62260, 67460, 74206, 148412, 185515, 371030, 742060, 954559, 1909118, 3818236, 4772795, 9545590, 10500149, 19091180, 21000298, 42000596, 52500745, 105001490, 210002980]

約数ペア:

[(1, 210002980), (2, 105001490), (4, 52500745), (5, 42000596), (10, 21000298), (11, 19091180), (20, 10500149), (22, 9545590), (44, 4772795), (55, 3818236), (110, 1909118), (220, 954559), (283, 742060), (566, 371030), (1132, 185515), (1415, 148412), (2830, 74206), (3113, 67460), (3373, 62260), (5660, 37103), (6226, 33730), (6746, 31130), (12452, 16865), (13492, 15565)]