7400980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 15647688

約数和(自身を除く): 8246708

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2357, 3140, 4714, 9428, 11785, 23570, 47140, 370049, 740098, 1480196, 1850245, 3700490, 7400980]

約数ペア:

[(1, 7400980), (2, 3700490), (4, 1850245), (5, 1480196), (10, 740098), (20, 370049), (157, 47140), (314, 23570), (628, 11785), (785, 9428), (1570, 4714), (2357, 3140)]