198770875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 263577600

約数和(自身を除く): 64806725

約数列:

[1, 5, 19, 25, 95, 125, 127, 475, 635, 659, 2375, 2413, 3175, 3295, 12065, 12521, 15875, 16475, 60325, 62605, 82375, 83693, 301625, 313025, 418465, 1565125, 1590167, 2092325, 7950835, 10461625, 39754175, 198770875]

約数ペア:

[(1, 198770875), (5, 39754175), (19, 10461625), (25, 7950835), (95, 2092325), (125, 1590167), (127, 1565125), (475, 418465), (635, 313025), (659, 301625), (2375, 83693), (2413, 82375), (3175, 62605), (3295, 60325), (12065, 16475), (12521, 15875)]