1901768380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1\times {\mathrm{2003}}^1$

素因数の和:3678

約数の個数: 48

約数和(自身を含む): 4136015520

約数和(自身を除く): 2234247140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1637, 2003, 3274, 4006, 6548, 8012, 8185, 10015, 16370, 20030, 32740, 40060, 47473, 58087, 94946, 116174, 189892, 232348, 237365, 290435, 474730, 580870, 949460, 1161740, 3278911, 6557822, 13115644, 16394555, 32789110, 65578220, 95088419, 190176838, 380353676, 475442095, 950884190, 1901768380]

約数ペア:

[(1, 1901768380), (2, 950884190), (4, 475442095), (5, 380353676), (10, 190176838), (20, 95088419), (29, 65578220), (58, 32789110), (116, 16394555), (145, 13115644), (290, 6557822), (580, 3278911), (1637, 1161740), (2003, 949460), (3274, 580870), (4006, 474730), (6548, 290435), (8012, 237365), (8185, 232348), (10015, 189892), (16370, 116174), (20030, 94946), (32740, 58087), (40060, 47473)]