30911800

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1217}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 72495360

約数和(自身を除く): 41583560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 1016, 1217, 1270, 2434, 2540, 3175, 4868, 5080, 6085, 6350, 9736, 12170, 12700, 24340, 25400, 30425, 48680, 60850, 121700, 154559, 243400, 309118, 618236, 772795, 1236472, 1545590, 3091180, 3863975, 6182360, 7727950, 15455900, 30911800]

約数ペア:

[(1, 30911800), (2, 15455900), (4, 7727950), (5, 6182360), (8, 3863975), (10, 3091180), (20, 1545590), (25, 1236472), (40, 772795), (50, 618236), (100, 309118), (127, 243400), (200, 154559), (254, 121700), (508, 60850), (635, 48680), (1016, 30425), (1217, 25400), (1270, 24340), (2434, 12700), (2540, 12170), (3175, 9736), (4868, 6350), (5080, 6085)]