1718943030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{389783}}^1$

素因数の和:389810

約数の個数: 72

約数和(自身を含む): 5198938992

約数和(自身を除く): 3479995962

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 389783, 779566, 1169349, 1948915, 2338698, 2728481, 3508047, 3897830, 5456962, 5846745, 7016094, 8185443, 11693490, 13642405, 16370886, 17540235, 19099367, 24556329, 27284810, 35080470, 38198734, 40927215, 49112658, 57298101, 81854430, 95496835, 114596202, 122781645, 171894303, 190993670, 245563290, 286490505, 343788606, 572981010, 859471515, 1718943030]

約数ペア:

[(1, 1718943030), (2, 859471515), (3, 572981010), (5, 343788606), (6, 286490505), (7, 245563290), (9, 190993670), (10, 171894303), (14, 122781645), (15, 114596202), (18, 95496835), (21, 81854430), (30, 57298101), (35, 49112658), (42, 40927215), (45, 38198734), (49, 35080470), (63, 27284810), (70, 24556329), (90, 19099367), (98, 17540235), (105, 16370886), (126, 13642405), (147, 11693490), (210, 8185443), (245, 7016094), (294, 5846745), (315, 5456962), (441, 3897830), (490, 3508047), (630, 2728481), (735, 2338698), (882, 1948915), (1470, 1169349), (2205, 779566), (4410, 389783)]