787210220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{9907}}^1$

素因数の和:10082

約数の個数: 48

約数和(自身を含む): 1722803040

約数和(自身を除く): 935592820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 1370, 2740, 3973, 7946, 9907, 15892, 19814, 19865, 39628, 39730, 49535, 79460, 99070, 198140, 287303, 574606, 1149212, 1357259, 1436515, 2714518, 2873030, 5429036, 5746060, 6786295, 13572590, 27145180, 39360511, 78721022, 157442044, 196802555, 393605110, 787210220]

約数ペア:

[(1, 787210220), (2, 393605110), (4, 196802555), (5, 157442044), (10, 78721022), (20, 39360511), (29, 27145180), (58, 13572590), (116, 6786295), (137, 5746060), (145, 5429036), (274, 2873030), (290, 2714518), (548, 1436515), (580, 1357259), (685, 1149212), (1370, 574606), (2740, 287303), (3973, 198140), (7946, 99070), (9907, 79460), (15892, 49535), (19814, 39730), (19865, 39628)]