881148870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{199807}}^1$

素因数の和:199834

約数の個数: 72

約数和(自身を含む): 2665039104

約数和(自身を除く): 1783890234

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, 199807, 399614, 599421, 999035, 1198842, 1398649, 1798263, 1998070, 2797298, 2997105, 3596526, 4195947, 5994210, 6993245, 8391894, 8991315, 9790543, 12587841, 13986490, 17982630, 19581086, 20979735, 25175682, 29371629, 41959470, 48952715, 58743258, 62939205, 88114887, 97905430, 125878410, 146858145, 176229774, 293716290, 440574435, 881148870]

約数ペア:

[(1, 881148870), (2, 440574435), (3, 293716290), (5, 176229774), (6, 146858145), (7, 125878410), (9, 97905430), (10, 88114887), (14, 62939205), (15, 58743258), (18, 48952715), (21, 41959470), (30, 29371629), (35, 25175682), (42, 20979735), (45, 19581086), (49, 17982630), (63, 13986490), (70, 12587841), (90, 9790543), (98, 8991315), (105, 8391894), (126, 6993245), (147, 5994210), (210, 4195947), (245, 3596526), (294, 2997105), (315, 2797298), (441, 1998070), (490, 1798263), (630, 1398649), (735, 1198842), (882, 999035), (1470, 599421), (2205, 399614), (4410, 199807)]