207877790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{5227}}^1$

素因数の和:5372

約数の個数: 32

約数和(自身を含む): 387332064

約数和(自身を除く): 179454274

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 3977, 5227, 7954, 10454, 19885, 26135, 39770, 52270, 214307, 428614, 507019, 1014038, 1071535, 2143070, 2535095, 5070190, 20787779, 41575558, 103938895, 207877790]

約数ペア:

[(1, 207877790), (2, 103938895), (5, 41575558), (10, 20787779), (41, 5070190), (82, 2535095), (97, 2143070), (194, 1071535), (205, 1014038), (410, 507019), (485, 428614), (970, 214307), (3977, 52270), (5227, 39770), (7954, 26135), (10454, 19885)]