88904780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 191128896

約数和(自身を除く): 102224116

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 457, 548, 685, 710, 914, 1370, 1420, 1828, 2285, 2740, 4570, 9140, 9727, 19454, 32447, 38908, 48635, 62609, 64894, 97270, 125218, 129788, 162235, 194540, 250436, 313045, 324470, 626090, 648940, 1252180, 4445239, 8890478, 17780956, 22226195, 44452390, 88904780]

約数ペア:

[(1, 88904780), (2, 44452390), (4, 22226195), (5, 17780956), (10, 8890478), (20, 4445239), (71, 1252180), (137, 648940), (142, 626090), (274, 324470), (284, 313045), (355, 250436), (457, 194540), (548, 162235), (685, 129788), (710, 125218), (914, 97270), (1370, 64894), (1420, 62609), (1828, 48635), (2285, 38908), (2740, 32447), (4570, 19454), (9140, 9727)]