74784620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{128939}}^1$

素因数の和:128977

約数の個数: 24

約数和(自身を含む): 162464400

約数和(自身を除く): 87679780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 128939, 257878, 515756, 644695, 1289390, 2578780, 3739231, 7478462, 14956924, 18696155, 37392310, 74784620]

約数ペア:

[(1, 74784620), (2, 37392310), (4, 18696155), (5, 14956924), (10, 7478462), (20, 3739231), (29, 2578780), (58, 1289390), (116, 644695), (145, 515756), (290, 257878), (580, 128939)]