3870920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 9331200

約数和(自身を除く): 5460280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 71, 94, 116, 142, 145, 188, 232, 235, 284, 290, 355, 376, 470, 568, 580, 710, 940, 1160, 1363, 1420, 1880, 2059, 2726, 2840, 3337, 4118, 5452, 6674, 6815, 8236, 10295, 10904, 13348, 13630, 16472, 16685, 20590, 26696, 27260, 33370, 41180, 54520, 66740, 82360, 96773, 133480, 193546, 387092, 483865, 774184, 967730, 1935460, 3870920]

約数ペア:

[(1, 3870920), (2, 1935460), (4, 967730), (5, 774184), (8, 483865), (10, 387092), (20, 193546), (29, 133480), (40, 96773), (47, 82360), (58, 66740), (71, 54520), (94, 41180), (116, 33370), (142, 27260), (145, 26696), (188, 20590), (232, 16685), (235, 16472), (284, 13630), (290, 13348), (355, 10904), (376, 10295), (470, 8236), (568, 6815), (580, 6674), (710, 5452), (940, 4118), (1160, 3337), (1363, 2840), (1420, 2726), (1880, 2059)]