55409375

素因数分解:

$5^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 84369600

約数和(自身を除く): 28960225

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 149, 175, 425, 595, 625, 745, 875, 1043, 2125, 2533, 2975, 3125, 3725, 4375, 5215, 10625, 12665, 14875, 17731, 18625, 21875, 26075, 53125, 63325, 74375, 88655, 93125, 130375, 316625, 371875, 443275, 465625, 651875, 1583125, 2216375, 3259375, 7915625, 11081875, 55409375]

約数ペア:

[(1, 55409375), (5, 11081875), (7, 7915625), (17, 3259375), (25, 2216375), (35, 1583125), (85, 651875), (119, 465625), (125, 443275), (149, 371875), (175, 316625), (425, 130375), (595, 93125), (625, 88655), (745, 74375), (875, 63325), (1043, 53125), (2125, 26075), (2533, 21875), (2975, 18625), (3125, 17731), (3725, 14875), (4375, 12665), (5215, 10625)]