213920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 580608

約数和(自身を除く): 366688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 191, 224, 280, 382, 560, 764, 955, 1120, 1337, 1528, 1910, 2674, 3056, 3820, 5348, 6112, 6685, 7640, 10696, 13370, 15280, 21392, 26740, 30560, 42784, 53480, 106960, 213920]

約数ペア:

[(1, 213920), (2, 106960), (4, 53480), (5, 42784), (7, 30560), (8, 26740), (10, 21392), (14, 15280), (16, 13370), (20, 10696), (28, 7640), (32, 6685), (35, 6112), (40, 5348), (56, 3820), (70, 3056), (80, 2674), (112, 1910), (140, 1528), (160, 1337), (191, 1120), (224, 955), (280, 764), (382, 560)]