2019978420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1980371}}^1$

素因数の和:1980400

約数の個数: 48

約数和(自身を含む): 5988644928

約数和(自身を除く): 3968666508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1980371, 3960742, 5941113, 7921484, 9901855, 11882226, 19803710, 23764452, 29705565, 33666307, 39607420, 59411130, 67332614, 100998921, 118822260, 134665228, 168331535, 201997842, 336663070, 403995684, 504994605, 673326140, 1009989210, 2019978420]

約数ペア:

[(1, 2019978420), (2, 1009989210), (3, 673326140), (4, 504994605), (5, 403995684), (6, 336663070), (10, 201997842), (12, 168331535), (15, 134665228), (17, 118822260), (20, 100998921), (30, 67332614), (34, 59411130), (51, 39607420), (60, 33666307), (68, 29705565), (85, 23764452), (102, 19803710), (170, 11882226), (204, 9901855), (255, 7921484), (340, 5941113), (510, 3960742), (1020, 1980371)]