30930280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5563}}^1$

素因数の和:5713

約数の個数: 32

約数和(自身を含む): 70106400

約数和(自身を除く): 39176120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 5563, 11126, 22252, 27815, 44504, 55630, 111260, 222520, 773257, 1546514, 3093028, 3866285, 6186056, 7732570, 15465140, 30930280]

約数ペア:

[(1, 30930280), (2, 15465140), (4, 7732570), (5, 6186056), (8, 3866285), (10, 3093028), (20, 1546514), (40, 773257), (139, 222520), (278, 111260), (556, 55630), (695, 44504), (1112, 27815), (1390, 22252), (2780, 11126), (5560, 5563)]