13990550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 30212352

約数和(自身を除く): 16221802

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 563, 710, 994, 1126, 1775, 2485, 2815, 3550, 3941, 4970, 5630, 7882, 12425, 14075, 19705, 24850, 28150, 39410, 39973, 79946, 98525, 197050, 199865, 279811, 399730, 559622, 999325, 1399055, 1998650, 2798110, 6995275, 13990550]

約数ペア:

[(1, 13990550), (2, 6995275), (5, 2798110), (7, 1998650), (10, 1399055), (14, 999325), (25, 559622), (35, 399730), (50, 279811), (70, 199865), (71, 197050), (142, 98525), (175, 79946), (350, 39973), (355, 39410), (497, 28150), (563, 24850), (710, 19705), (994, 14075), (1126, 12425), (1775, 7882), (2485, 5630), (2815, 4970), (3550, 3941)]