221816700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 216

約数和(自身を含む): 803511072

約数和(自身を除く): 581694372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 137, 140, 150, 175, 180, 210, 225, 252, 257, 274, 300, 315, 350, 411, 420, 450, 514, 525, 548, 630, 685, 700, 771, 822, 900, 959, 1028, 1050, 1233, 1260, 1285, 1370, 1542, 1575, 1644, 1799, 1918, 2055, 2100, 2313, 2466, 2570, 2740, 2877, 3084, 3150, 3425, 3598, 3836, 3855, 4110, 4626, 4795, 4932, 5140, 5397, 5754, 6165, 6300, 6425, 6850, 7196, 7710, 8220, 8631, 8995, 9252, 9590, 10275, 10794, 11508, 11565, 12330, 12850, 13700, 14385, 15420, 16191, 17262, 17990, 19180, 19275, 20550, 21588, 23130, 23975, 24660, 25700, 26985, 28770, 30825, 32382, 34524, 35209, 35980, 38550, 41100, 43155, 44975, 46260, 47950, 53970, 57540, 57825, 61650, 64764, 70418, 71925, 77100, 80955, 86310, 89950, 95900, 105627, 107940, 115650, 123300, 134925, 140836, 143850, 161910, 172620, 176045, 179900, 211254, 215775, 231300, 246463, 269850, 287700, 316881, 323820, 352090, 404775, 422508, 431550, 492926, 528135, 539700, 633762, 704180, 739389, 809550, 863100, 880225, 985852, 1056270, 1232315, 1267524, 1478778, 1584405, 1619100, 1760450, 2112540, 2218167, 2464630, 2640675, 2957556, 3168810, 3520900, 3696945, 4436334, 4929260, 5281350, 6161575, 6337620, 7393890, 7922025, 8872668, 10562700, 11090835, 12323150, 14787780, 15844050, 18484725, 22181670, 24646300, 31688100, 36969450, 44363340, 55454175, 73938900, 110908350, 221816700]

約数ペア:

[(1, 221816700), (2, 110908350), (3, 73938900), (4, 55454175), (5, 44363340), (6, 36969450), (7, 31688100), (9, 24646300), (10, 22181670), (12, 18484725), (14, 15844050), (15, 14787780), (18, 12323150), (20, 11090835), (21, 10562700), (25, 8872668), (28, 7922025), (30, 7393890), (35, 6337620), (36, 6161575), (42, 5281350), (45, 4929260), (50, 4436334), (60, 3696945), (63, 3520900), (70, 3168810), (75, 2957556), (84, 2640675), (90, 2464630), (100, 2218167), (105, 2112540), (126, 1760450), (137, 1619100), (140, 1584405), (150, 1478778), (175, 1267524), (180, 1232315), (210, 1056270), (225, 985852), (252, 880225), (257, 863100), (274, 809550), (300, 739389), (315, 704180), (350, 633762), (411, 539700), (420, 528135), (450, 492926), (514, 431550), (525, 422508), (548, 404775), (630, 352090), (685, 323820), (700, 316881), (771, 287700), (822, 269850), (900, 246463), (959, 231300), (1028, 215775), (1050, 211254), (1233, 179900), (1260, 176045), (1285, 172620), (1370, 161910), (1542, 143850), (1575, 140836), (1644, 134925), (1799, 123300), (1918, 115650), (2055, 107940), (2100, 105627), (2313, 95900), (2466, 89950), (2570, 86310), (2740, 80955), (2877, 77100), (3084, 71925), (3150, 70418), (3425, 64764), (3598, 61650), (3836, 57825), (3855, 57540), (4110, 53970), (4626, 47950), (4795, 46260), (4932, 44975), (5140, 43155), (5397, 41100), (5754, 38550), (6165, 35980), (6300, 35209), (6425, 34524), (6850, 32382), (7196, 30825), (7710, 28770), (8220, 26985), (8631, 25700), (8995, 24660), (9252, 23975), (9590, 23130), (10275, 21588), (10794, 20550), (11508, 19275), (11565, 19180), (12330, 17990), (12850, 17262), (13700, 16191), (14385, 15420)]