305900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 833280

約数和(自身を除く): 527380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 25, 28, 35, 38, 46, 50, 70, 76, 92, 95, 100, 115, 133, 140, 161, 175, 190, 230, 266, 322, 350, 380, 437, 460, 475, 532, 575, 644, 665, 700, 805, 874, 950, 1150, 1330, 1610, 1748, 1900, 2185, 2300, 2660, 3059, 3220, 3325, 4025, 4370, 6118, 6650, 8050, 8740, 10925, 12236, 13300, 15295, 16100, 21850, 30590, 43700, 61180, 76475, 152950, 305900]

約数ペア:

[(1, 305900), (2, 152950), (4, 76475), (5, 61180), (7, 43700), (10, 30590), (14, 21850), (19, 16100), (20, 15295), (23, 13300), (25, 12236), (28, 10925), (35, 8740), (38, 8050), (46, 6650), (50, 6118), (70, 4370), (76, 4025), (92, 3325), (95, 3220), (100, 3059), (115, 2660), (133, 2300), (140, 2185), (161, 1900), (175, 1748), (190, 1610), (230, 1330), (266, 1150), (322, 950), (350, 874), (380, 805), (437, 700), (460, 665), (475, 644), (532, 575)]