7787020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 17811360

約数和(自身を除く): 10024340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 619, 629, 740, 1238, 1258, 2476, 2516, 3095, 3145, 6190, 6290, 10523, 12380, 12580, 21046, 22903, 42092, 45806, 52615, 91612, 105230, 114515, 210460, 229030, 389351, 458060, 778702, 1557404, 1946755, 3893510, 7787020]

約数ペア:

[(1, 7787020), (2, 3893510), (4, 1946755), (5, 1557404), (10, 778702), (17, 458060), (20, 389351), (34, 229030), (37, 210460), (68, 114515), (74, 105230), (85, 91612), (148, 52615), (170, 45806), (185, 42092), (340, 22903), (370, 21046), (619, 12580), (629, 12380), (740, 10523), (1238, 6290), (1258, 6190), (2476, 3145), (2516, 3095)]