72506770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{21139}}^1$

素因数の和:21167

約数の個数: 32

約数和(自身を含む): 152208000

約数和(自身を除く): 79701230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 21139, 42278, 105695, 147973, 211390, 295946, 739865, 1035811, 1479730, 2071622, 5179055, 7250677, 10358110, 14501354, 36253385, 72506770]

約数ペア:

[(1, 72506770), (2, 36253385), (5, 14501354), (7, 10358110), (10, 7250677), (14, 5179055), (35, 2071622), (49, 1479730), (70, 1035811), (98, 739865), (245, 295946), (343, 211390), (490, 147973), (686, 105695), (1715, 42278), (3430, 21139)]