425425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:58

約数の個数: 48

約数和(自身を含む): 749952

約数和(自身を除く): 324527

約数列:

[1, 5, 7, 11, 13, 17, 25, 35, 55, 65, 77, 85, 91, 119, 143, 175, 187, 221, 275, 325, 385, 425, 455, 595, 715, 935, 1001, 1105, 1309, 1547, 1925, 2275, 2431, 2975, 3575, 4675, 5005, 5525, 6545, 7735, 12155, 17017, 25025, 32725, 38675, 60775, 85085, 425425]

約数ペア:

[(1, 425425), (5, 85085), (7, 60775), (11, 38675), (13, 32725), (17, 25025), (25, 17017), (35, 12155), (55, 7735), (65, 6545), (77, 5525), (85, 5005), (91, 4675), (119, 3575), (143, 2975), (175, 2431), (187, 2275), (221, 1925), (275, 1547), (325, 1309), (385, 1105), (425, 1001), (455, 935), (595, 715)]