1900643375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 2416407552

約数和(自身を除く): 515764177

約数列:

[1, 5, 25, 71, 125, 331, 355, 647, 1655, 1775, 3235, 8275, 8875, 16175, 23501, 41375, 45937, 80875, 117505, 214157, 229685, 587525, 1070785, 1148425, 2937625, 5353925, 5742125, 15205147, 26769625, 76025735, 380128675, 1900643375]

約数ペア:

[(1, 1900643375), (5, 380128675), (25, 76025735), (71, 26769625), (125, 15205147), (331, 5742125), (355, 5353925), (647, 2937625), (1655, 1148425), (1775, 1070785), (3235, 587525), (8275, 229685), (8875, 214157), (16175, 117505), (23501, 80875), (41375, 45937)]