2738860990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{673}}^1$

素因数の和:1381

約数の個数: 64

約数和(自身を含む): 5377290624

約数和(自身を除く): 2638429634

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 647, 673, 1258, 1294, 1346, 3145, 3235, 3365, 6290, 6470, 6730, 10999, 11441, 21998, 22882, 23939, 24901, 47878, 49802, 54995, 57205, 109990, 114410, 119695, 124505, 239390, 249010, 406963, 423317, 435431, 813926, 846634, 870862, 2034815, 2116585, 2177155, 4069630, 4233170, 4354310, 7402327, 14804654, 16110947, 32221894, 37011635, 74023270, 80554735, 161109470, 273886099, 547772198, 1369430495, 2738860990]

約数ペア:

[(1, 2738860990), (2, 1369430495), (5, 547772198), (10, 273886099), (17, 161109470), (34, 80554735), (37, 74023270), (74, 37011635), (85, 32221894), (170, 16110947), (185, 14804654), (370, 7402327), (629, 4354310), (647, 4233170), (673, 4069630), (1258, 2177155), (1294, 2116585), (1346, 2034815), (3145, 870862), (3235, 846634), (3365, 813926), (6290, 435431), (6470, 423317), (6730, 406963), (10999, 249010), (11441, 239390), (21998, 124505), (22882, 119695), (23939, 114410), (24901, 109990), (47878, 57205), (49802, 54995)]