31277540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 75597312

約数和(自身を除く): 44319772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1423, 1570, 2198, 2846, 3140, 4396, 5495, 5692, 7115, 9961, 10990, 14230, 19922, 21980, 28460, 39844, 49805, 99610, 199220, 223411, 446822, 893644, 1117055, 1563877, 2234110, 3127754, 4468220, 6255508, 7819385, 15638770, 31277540]

約数ペア:

[(1, 31277540), (2, 15638770), (4, 7819385), (5, 6255508), (7, 4468220), (10, 3127754), (14, 2234110), (20, 1563877), (28, 1117055), (35, 893644), (70, 446822), (140, 223411), (157, 199220), (314, 99610), (628, 49805), (785, 39844), (1099, 28460), (1423, 21980), (1570, 19922), (2198, 14230), (2846, 10990), (3140, 9961), (4396, 7115), (5495, 5692)]