201696875

素因数分解:

$5^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 274982400

約数和(自身を除く): 73285525

約数列:

[1, 5, 19, 25, 43, 79, 95, 125, 215, 395, 475, 625, 817, 1075, 1501, 1975, 2375, 3125, 3397, 4085, 5375, 7505, 9875, 11875, 16985, 20425, 26875, 37525, 49375, 59375, 64543, 84925, 102125, 134375, 187625, 246875, 322715, 424625, 510625, 938125, 1613575, 2123125, 2553125, 4690625, 8067875, 10615625, 40339375, 201696875]

約数ペア:

[(1, 201696875), (5, 40339375), (19, 10615625), (25, 8067875), (43, 4690625), (79, 2553125), (95, 2123125), (125, 1613575), (215, 938125), (395, 510625), (475, 424625), (625, 322715), (817, 246875), (1075, 187625), (1501, 134375), (1975, 102125), (2375, 84925), (3125, 64543), (3397, 59375), (4085, 49375), (5375, 37525), (7505, 26875), (9875, 20425), (11875, 16985)]