7471780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 16853760

約数和(自身を除く): 9381980

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 439, 460, 740, 851, 878, 1702, 1756, 2195, 3404, 4255, 4390, 8510, 8780, 10097, 16243, 17020, 20194, 32486, 40388, 50485, 64972, 81215, 100970, 162430, 201940, 324860, 373589, 747178, 1494356, 1867945, 3735890, 7471780]

約数ペア:

[(1, 7471780), (2, 3735890), (4, 1867945), (5, 1494356), (10, 747178), (20, 373589), (23, 324860), (37, 201940), (46, 162430), (74, 100970), (92, 81215), (115, 64972), (148, 50485), (185, 40388), (230, 32486), (370, 20194), (439, 17020), (460, 16243), (740, 10097), (851, 8780), (878, 8510), (1702, 4390), (1756, 4255), (2195, 3404)]