1129741540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1\times {\mathrm{881}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 2403266544

約数和(自身を除く): 1273525004

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 661, 881, 970, 1322, 1762, 1940, 2644, 3305, 3524, 4405, 6610, 8810, 13220, 17620, 64117, 85457, 128234, 170914, 256468, 320585, 341828, 427285, 582341, 641170, 854570, 1164682, 1282340, 1709140, 2329364, 2911705, 5823410, 11646820, 56487077, 112974154, 225948308, 282435385, 564870770, 1129741540]

約数ペア:

[(1, 1129741540), (2, 564870770), (4, 282435385), (5, 225948308), (10, 112974154), (20, 56487077), (97, 11646820), (194, 5823410), (388, 2911705), (485, 2329364), (661, 1709140), (881, 1282340), (970, 1164682), (1322, 854570), (1762, 641170), (1940, 582341), (2644, 427285), (3305, 341828), (3524, 320585), (4405, 256468), (6610, 170914), (8810, 128234), (13220, 85457), (17620, 64117)]