207455875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 293705568

約数和(自身を除く): 86249693

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 157, 275, 341, 775, 785, 961, 1375, 1705, 1727, 3875, 3925, 4805, 4867, 8525, 8635, 10571, 19625, 24025, 24335, 42625, 43175, 52855, 53537, 120125, 121675, 150877, 215875, 264275, 267685, 608375, 754385, 1321375, 1338425, 1659647, 3771925, 6692125, 8298235, 18859625, 41491175, 207455875]

約数ペア:

[(1, 207455875), (5, 41491175), (11, 18859625), (25, 8298235), (31, 6692125), (55, 3771925), (125, 1659647), (155, 1338425), (157, 1321375), (275, 754385), (341, 608375), (775, 267685), (785, 264275), (961, 215875), (1375, 150877), (1705, 121675), (1727, 120125), (3875, 53537), (3925, 52855), (4805, 43175), (4867, 42625), (8525, 24335), (8635, 24025), (10571, 19625)]