86570300

素因数分解:

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

素因数の和:311

約数の個数: 72

約数和(自身を含む): 194050080

約数和(自身を除く): 107479780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 89, 100, 137, 142, 178, 274, 284, 355, 356, 445, 548, 685, 710, 890, 1370, 1420, 1775, 1780, 2225, 2740, 3425, 3550, 4450, 6319, 6850, 7100, 8900, 9727, 12193, 12638, 13700, 19454, 24386, 25276, 31595, 38908, 48635, 48772, 60965, 63190, 97270, 121930, 126380, 157975, 194540, 243175, 243860, 304825, 315950, 486350, 609650, 631900, 865703, 972700, 1219300, 1731406, 3462812, 4328515, 8657030, 17314060, 21642575, 43285150, 86570300]

約数ペア:

[(1, 86570300), (2, 43285150), (4, 21642575), (5, 17314060), (10, 8657030), (20, 4328515), (25, 3462812), (50, 1731406), (71, 1219300), (89, 972700), (100, 865703), (137, 631900), (142, 609650), (178, 486350), (274, 315950), (284, 304825), (355, 243860), (356, 243175), (445, 194540), (548, 157975), (685, 126380), (710, 121930), (890, 97270), (1370, 63190), (1420, 60965), (1775, 48772), (1780, 48635), (2225, 38908), (2740, 31595), (3425, 25276), (3550, 24386), (4450, 19454), (6319, 13700), (6850, 12638), (7100, 12193), (8900, 9727)]