449509640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{115853}}^1$

素因数の和:115961

約数の個数: 32

約数和(自身を含む): 1021832280

約数和(自身を除く): 572322640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 115853, 231706, 463412, 579265, 926824, 1158530, 2317060, 4634120, 11237741, 22475482, 44950964, 56188705, 89901928, 112377410, 224754820, 449509640]

約数ペア:

[(1, 449509640), (2, 224754820), (4, 112377410), (5, 89901928), (8, 56188705), (10, 44950964), (20, 22475482), (40, 11237741), (97, 4634120), (194, 2317060), (388, 1158530), (485, 926824), (776, 579265), (970, 463412), (1940, 231706), (3880, 115853)]