28190700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 92806560

約数和(自身を除く): 64615860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 53, 54, 60, 75, 90, 100, 106, 108, 135, 150, 159, 180, 197, 212, 225, 265, 270, 300, 318, 394, 450, 477, 530, 540, 591, 636, 675, 788, 795, 900, 954, 985, 1060, 1182, 1325, 1350, 1431, 1590, 1773, 1908, 1970, 2364, 2385, 2650, 2700, 2862, 2955, 3180, 3546, 3940, 3975, 4770, 4925, 5300, 5319, 5724, 5910, 7092, 7155, 7950, 8865, 9540, 9850, 10441, 10638, 11820, 11925, 14310, 14775, 15900, 17730, 19700, 20882, 21276, 23850, 26595, 28620, 29550, 31323, 35460, 35775, 41764, 44325, 47700, 52205, 53190, 59100, 62646, 71550, 88650, 93969, 104410, 106380, 125292, 132975, 143100, 156615, 177300, 187938, 208820, 261025, 265950, 281907, 313230, 375876, 469845, 522050, 531900, 563814, 626460, 783075, 939690, 1044100, 1127628, 1409535, 1566150, 1879380, 2349225, 2819070, 3132300, 4698450, 5638140, 7047675, 9396900, 14095350, 28190700]

約数ペア:

[(1, 28190700), (2, 14095350), (3, 9396900), (4, 7047675), (5, 5638140), (6, 4698450), (9, 3132300), (10, 2819070), (12, 2349225), (15, 1879380), (18, 1566150), (20, 1409535), (25, 1127628), (27, 1044100), (30, 939690), (36, 783075), (45, 626460), (50, 563814), (53, 531900), (54, 522050), (60, 469845), (75, 375876), (90, 313230), (100, 281907), (106, 265950), (108, 261025), (135, 208820), (150, 187938), (159, 177300), (180, 156615), (197, 143100), (212, 132975), (225, 125292), (265, 106380), (270, 104410), (300, 93969), (318, 88650), (394, 71550), (450, 62646), (477, 59100), (530, 53190), (540, 52205), (591, 47700), (636, 44325), (675, 41764), (788, 35775), (795, 35460), (900, 31323), (954, 29550), (985, 28620), (1060, 26595), (1182, 23850), (1325, 21276), (1350, 20882), (1431, 19700), (1590, 17730), (1773, 15900), (1908, 14775), (1970, 14310), (2364, 11925), (2385, 11820), (2650, 10638), (2700, 10441), (2862, 9850), (2955, 9540), (3180, 8865), (3546, 7950), (3940, 7155), (3975, 7092), (4770, 5910), (4925, 5724), (5300, 5319)]