34628120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 80481600

約数和(自身を除く): 45853480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 137, 142, 178, 274, 284, 355, 356, 445, 548, 568, 685, 710, 712, 890, 1096, 1370, 1420, 1780, 2740, 2840, 3560, 5480, 6319, 9727, 12193, 12638, 19454, 24386, 25276, 31595, 38908, 48635, 48772, 50552, 60965, 63190, 77816, 97270, 97544, 121930, 126380, 194540, 243860, 252760, 389080, 487720, 865703, 1731406, 3462812, 4328515, 6925624, 8657030, 17314060, 34628120]

約数ペア:

[(1, 34628120), (2, 17314060), (4, 8657030), (5, 6925624), (8, 4328515), (10, 3462812), (20, 1731406), (40, 865703), (71, 487720), (89, 389080), (137, 252760), (142, 243860), (178, 194540), (274, 126380), (284, 121930), (355, 97544), (356, 97270), (445, 77816), (548, 63190), (568, 60965), (685, 50552), (710, 48772), (712, 48635), (890, 38908), (1096, 31595), (1370, 25276), (1420, 24386), (1780, 19454), (2740, 12638), (2840, 12193), (3560, 9727), (5480, 6319)]