204431740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 453778416

約数和(自身を除く): 249346676

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 67, 82, 122, 134, 164, 205, 244, 268, 305, 335, 410, 610, 670, 820, 1220, 1340, 2501, 2747, 3721, 4087, 5002, 5494, 7442, 8174, 10004, 10988, 12505, 13735, 14884, 16348, 18605, 20435, 25010, 27470, 37210, 40870, 50020, 54940, 74420, 81740, 152561, 167567, 249307, 305122, 335134, 498614, 610244, 670268, 762805, 837835, 997228, 1246535, 1525610, 1675670, 2493070, 3051220, 3351340, 4986140, 10221587, 20443174, 40886348, 51107935, 102215870, 204431740]

約数ペア:

[(1, 204431740), (2, 102215870), (4, 51107935), (5, 40886348), (10, 20443174), (20, 10221587), (41, 4986140), (61, 3351340), (67, 3051220), (82, 2493070), (122, 1675670), (134, 1525610), (164, 1246535), (205, 997228), (244, 837835), (268, 762805), (305, 670268), (335, 610244), (410, 498614), (610, 335134), (670, 305122), (820, 249307), (1220, 167567), (1340, 152561), (2501, 81740), (2747, 74420), (3721, 54940), (4087, 50020), (5002, 40870), (5494, 37210), (7442, 27470), (8174, 25010), (10004, 20435), (10988, 18605), (12505, 16348), (13735, 14884)]