2149087775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 2846067840

約数和(自身を除く): 696980065

約数列:

[1, 5, 25, 29, 41, 145, 197, 205, 367, 725, 985, 1025, 1189, 1835, 4925, 5713, 5945, 8077, 9175, 10643, 15047, 28565, 29725, 40385, 53215, 72299, 75235, 142825, 201925, 234233, 266075, 361495, 376175, 436363, 1171165, 1807475, 2096671, 2181815, 2964259, 5855825, 10483355, 10909075, 14821295, 52416775, 74106475, 85963511, 429817555, 2149087775]

約数ペア:

[(1, 2149087775), (5, 429817555), (25, 85963511), (29, 74106475), (41, 52416775), (145, 14821295), (197, 10909075), (205, 10483355), (367, 5855825), (725, 2964259), (985, 2181815), (1025, 2096671), (1189, 1807475), (1835, 1171165), (4925, 436363), (5713, 376175), (5945, 361495), (8077, 266075), (9175, 234233), (10643, 201925), (15047, 142825), (28565, 75235), (29725, 72299), (40385, 53215)]