30428120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40037}}^1$

素因数の和:40067

約数の個数: 32

約数和(自身を含む): 72068400

約数和(自身を除く): 41640280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40037, 80074, 160148, 200185, 320296, 400370, 760703, 800740, 1521406, 1601480, 3042812, 3803515, 6085624, 7607030, 15214060, 30428120]

約数ペア:

[(1, 30428120), (2, 15214060), (4, 7607030), (5, 6085624), (8, 3803515), (10, 3042812), (19, 1601480), (20, 1521406), (38, 800740), (40, 760703), (76, 400370), (95, 320296), (152, 200185), (190, 160148), (380, 80074), (760, 40037)]