7221250

素因数分解:

$2^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 40

約数和(自身を含む): 13917420

約数和(自身を除く): 6696170

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 109, 125, 218, 250, 265, 530, 545, 625, 1090, 1250, 1325, 2650, 2725, 5450, 5777, 6625, 11554, 13250, 13625, 27250, 28885, 33125, 57770, 66250, 68125, 136250, 144425, 288850, 722125, 1444250, 3610625, 7221250]

約数ペア:

[(1, 7221250), (2, 3610625), (5, 1444250), (10, 722125), (25, 288850), (50, 144425), (53, 136250), (106, 68125), (109, 66250), (125, 57770), (218, 33125), (250, 28885), (265, 27250), (530, 13625), (545, 13250), (625, 11554), (1090, 6625), (1250, 5777), (1325, 5450), (2650, 2725)]