494131600

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 1222207488

約数和(自身を除く): 728075888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 127, 137, 142, 200, 254, 274, 284, 355, 400, 508, 548, 568, 635, 685, 710, 1016, 1096, 1136, 1270, 1370, 1420, 1775, 2032, 2192, 2540, 2740, 2840, 3175, 3425, 3550, 5080, 5480, 5680, 6350, 6850, 7100, 9017, 9727, 10160, 10960, 12700, 13700, 14200, 17399, 18034, 19454, 25400, 27400, 28400, 34798, 36068, 38908, 45085, 48635, 50800, 54800, 69596, 72136, 77816, 86995, 90170, 97270, 139192, 144272, 155632, 173990, 180340, 194540, 225425, 243175, 278384, 347980, 360680, 389080, 434975, 450850, 486350, 695960, 721360, 778160, 869950, 901700, 972700, 1235329, 1391920, 1739900, 1803400, 1945400, 2470658, 3479800, 3606800, 3890800, 4941316, 6176645, 6959600, 9882632, 12353290, 19765264, 24706580, 30883225, 49413160, 61766450, 98826320, 123532900, 247065800, 494131600]

約数ペア:

[(1, 494131600), (2, 247065800), (4, 123532900), (5, 98826320), (8, 61766450), (10, 49413160), (16, 30883225), (20, 24706580), (25, 19765264), (40, 12353290), (50, 9882632), (71, 6959600), (80, 6176645), (100, 4941316), (127, 3890800), (137, 3606800), (142, 3479800), (200, 2470658), (254, 1945400), (274, 1803400), (284, 1739900), (355, 1391920), (400, 1235329), (508, 972700), (548, 901700), (568, 869950), (635, 778160), (685, 721360), (710, 695960), (1016, 486350), (1096, 450850), (1136, 434975), (1270, 389080), (1370, 360680), (1420, 347980), (1775, 278384), (2032, 243175), (2192, 225425), (2540, 194540), (2740, 180340), (2840, 173990), (3175, 155632), (3425, 144272), (3550, 139192), (5080, 97270), (5480, 90170), (5680, 86995), (6350, 77816), (6850, 72136), (7100, 69596), (9017, 54800), (9727, 50800), (10160, 48635), (10960, 45085), (12700, 38908), (13700, 36068), (14200, 34798), (17399, 28400), (18034, 27400), (19454, 25400)]