30750020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 74323200

約数和(自身を除く): 43573180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1399, 1570, 2198, 2798, 3140, 4396, 5495, 5596, 6995, 9793, 10990, 13990, 19586, 21980, 27980, 39172, 48965, 97930, 195860, 219643, 439286, 878572, 1098215, 1537501, 2196430, 3075002, 4392860, 6150004, 7687505, 15375010, 30750020]

約数ペア:

[(1, 30750020), (2, 15375010), (4, 7687505), (5, 6150004), (7, 4392860), (10, 3075002), (14, 2196430), (20, 1537501), (28, 1098215), (35, 878572), (70, 439286), (140, 219643), (157, 195860), (314, 97930), (628, 48965), (785, 39172), (1099, 27980), (1399, 21980), (1570, 19586), (2198, 13990), (2798, 10990), (3140, 9793), (4396, 6995), (5495, 5596)]