7788704840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{3973829}}^1$

素因数の和:3973854

約数の個数: 48

約数和(自身を含む): 20385747900

約数和(自身を除く): 12597043060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 3973829, 7947658, 15895316, 19869145, 27816803, 31790632, 39738290, 55633606, 79476580, 111267212, 139084015, 158953160, 194717621, 222534424, 278168030, 389435242, 556336060, 778870484, 973588105, 1112672120, 1557740968, 1947176210, 3894352420, 7788704840]

約数ペア:

[(1, 7788704840), (2, 3894352420), (4, 1947176210), (5, 1557740968), (7, 1112672120), (8, 973588105), (10, 778870484), (14, 556336060), (20, 389435242), (28, 278168030), (35, 222534424), (40, 194717621), (49, 158953160), (56, 139084015), (70, 111267212), (98, 79476580), (140, 55633606), (196, 39738290), (245, 31790632), (280, 27816803), (392, 19869145), (490, 15895316), (980, 7947658), (1960, 3973829)]