196781750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 405250560

約数和(自身を除く): 208468810

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 163, 250, 275, 326, 439, 550, 815, 878, 1375, 1630, 1793, 2195, 2750, 3586, 4075, 4390, 4829, 8150, 8965, 9658, 10975, 17930, 20375, 21950, 24145, 40750, 44825, 48290, 54875, 71557, 89650, 109750, 120725, 143114, 224125, 241450, 357785, 448250, 603625, 715570, 787127, 1207250, 1574254, 1788925, 3577850, 3935635, 7871270, 8944625, 17889250, 19678175, 39356350, 98390875, 196781750]

約数ペア:

[(1, 196781750), (2, 98390875), (5, 39356350), (10, 19678175), (11, 17889250), (22, 8944625), (25, 7871270), (50, 3935635), (55, 3577850), (110, 1788925), (125, 1574254), (163, 1207250), (250, 787127), (275, 715570), (326, 603625), (439, 448250), (550, 357785), (815, 241450), (878, 224125), (1375, 143114), (1630, 120725), (1793, 109750), (2195, 89650), (2750, 71557), (3586, 54875), (4075, 48290), (4390, 44825), (4829, 40750), (8150, 24145), (8965, 21950), (9658, 20375), (10975, 17930)]