30897425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 42479424

約数和(自身を除く): 11581999

約数列:

[1, 5, 13, 25, 65, 71, 103, 169, 325, 355, 515, 845, 923, 1339, 1775, 2575, 4225, 4615, 6695, 7313, 11999, 17407, 23075, 33475, 36565, 59995, 87035, 95069, 182825, 299975, 435175, 475345, 1235897, 2376725, 6179485, 30897425]

約数ペア:

[(1, 30897425), (5, 6179485), (13, 2376725), (25, 1235897), (65, 475345), (71, 435175), (103, 299975), (169, 182825), (325, 95069), (355, 87035), (515, 59995), (845, 36565), (923, 33475), (1339, 23075), (1775, 17407), (2575, 11999), (4225, 7313), (4615, 6695)]