210020125

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2017}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 322993008

約数和(自身を除く): 112972883

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 175, 245, 425, 595, 833, 875, 1225, 2017, 2125, 2975, 4165, 6125, 10085, 14119, 14875, 20825, 34289, 50425, 70595, 98833, 104125, 171445, 240023, 252125, 352975, 494165, 857225, 1200115, 1680161, 1764875, 2470825, 4286125, 6000575, 8400805, 12354125, 30002875, 42004025, 210020125]

約数ペア:

[(1, 210020125), (5, 42004025), (7, 30002875), (17, 12354125), (25, 8400805), (35, 6000575), (49, 4286125), (85, 2470825), (119, 1764875), (125, 1680161), (175, 1200115), (245, 857225), (425, 494165), (595, 352975), (833, 252125), (875, 240023), (1225, 171445), (2017, 104125), (2125, 98833), (2975, 70595), (4165, 50425), (6125, 34289), (10085, 20825), (14119, 14875)]