30906950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 59661360

約数和(自身を除く): 28754410

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 107, 109, 214, 218, 265, 530, 535, 545, 1070, 1090, 1325, 2650, 2675, 2725, 5350, 5450, 5671, 5777, 11342, 11554, 11663, 23326, 28355, 28885, 56710, 57770, 58315, 116630, 141775, 144425, 283550, 288850, 291575, 583150, 618139, 1236278, 3090695, 6181390, 15453475, 30906950]

約数ペア:

[(1, 30906950), (2, 15453475), (5, 6181390), (10, 3090695), (25, 1236278), (50, 618139), (53, 583150), (106, 291575), (107, 288850), (109, 283550), (214, 144425), (218, 141775), (265, 116630), (530, 58315), (535, 57770), (545, 56710), (1070, 28885), (1090, 28355), (1325, 23326), (2650, 11663), (2675, 11554), (2725, 11342), (5350, 5777), (5450, 5671)]