9420940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 21067200

約数和(自身を除く): 11646260

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 439, 580, 740, 878, 1073, 1756, 2146, 2195, 4292, 4390, 5365, 8780, 10730, 12731, 16243, 21460, 25462, 32486, 50924, 63655, 64972, 81215, 127310, 162430, 254620, 324860, 471047, 942094, 1884188, 2355235, 4710470, 9420940]

約数ペア:

[(1, 9420940), (2, 4710470), (4, 2355235), (5, 1884188), (10, 942094), (20, 471047), (29, 324860), (37, 254620), (58, 162430), (74, 127310), (116, 81215), (145, 64972), (148, 63655), (185, 50924), (290, 32486), (370, 25462), (439, 21460), (580, 16243), (740, 12731), (878, 10730), (1073, 8780), (1756, 5365), (2146, 4390), (2195, 4292)]