164018780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{7643}}^1$

素因数の和:7718

約数の個数: 48

約数和(自身を含む): 365994720

約数和(自身を除く): 201975940

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 4292, 5365, 7643, 10730, 15286, 21460, 30572, 38215, 76430, 152860, 221647, 282791, 443294, 565582, 886588, 1108235, 1131164, 1413955, 2216470, 2827910, 4432940, 5655820, 8200939, 16401878, 32803756, 41004695, 82009390, 164018780]

約数ペア:

[(1, 164018780), (2, 82009390), (4, 41004695), (5, 32803756), (10, 16401878), (20, 8200939), (29, 5655820), (37, 4432940), (58, 2827910), (74, 2216470), (116, 1413955), (145, 1131164), (148, 1108235), (185, 886588), (290, 565582), (370, 443294), (580, 282791), (740, 221647), (1073, 152860), (2146, 76430), (4292, 38215), (5365, 30572), (7643, 21460), (10730, 15286)]