204428125

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 294356160

約数和(自身を除く): 89928035

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 313, 475, 625, 1045, 1375, 1565, 2375, 3125, 3443, 5225, 5947, 6875, 7825, 11875, 17215, 26125, 29735, 34375, 39125, 59375, 65417, 86075, 130625, 148675, 195625, 327085, 430375, 653125, 743375, 978125, 1635425, 2151875, 3716875, 8177125, 10759375, 18584375, 40885625, 204428125]

約数ペア:

[(1, 204428125), (5, 40885625), (11, 18584375), (19, 10759375), (25, 8177125), (55, 3716875), (95, 2151875), (125, 1635425), (209, 978125), (275, 743375), (313, 653125), (475, 430375), (625, 327085), (1045, 195625), (1375, 148675), (1565, 130625), (2375, 86075), (3125, 65417), (3443, 59375), (5225, 39125), (5947, 34375), (6875, 29735), (7825, 26125), (11875, 17215)]