180999700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 488857600

約数和(自身を除く): 307857900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 100, 124, 133, 140, 155, 175, 190, 217, 266, 310, 350, 380, 434, 439, 475, 532, 589, 620, 665, 700, 775, 868, 878, 950, 1085, 1178, 1330, 1550, 1756, 1900, 2170, 2195, 2356, 2660, 2945, 3073, 3100, 3325, 4123, 4340, 4390, 5425, 5890, 6146, 6650, 8246, 8341, 8780, 10850, 10975, 11780, 12292, 13300, 13609, 14725, 15365, 16492, 16682, 20615, 21700, 21950, 27218, 29450, 30730, 33364, 41230, 41705, 43900, 54436, 58387, 58900, 61460, 68045, 76825, 82460, 83410, 95263, 103075, 116774, 136090, 153650, 166820, 190526, 206150, 208525, 233548, 258571, 272180, 291935, 307300, 340225, 381052, 412300, 417050, 476315, 517142, 583870, 680450, 834100, 952630, 1034284, 1167740, 1292855, 1360900, 1459675, 1809997, 1905260, 2381575, 2585710, 2919350, 3619994, 4763150, 5171420, 5838700, 6464275, 7239988, 9049985, 9526300, 12928550, 18099970, 25857100, 36199940, 45249925, 90499850, 180999700]

約数ペア:

[(1, 180999700), (2, 90499850), (4, 45249925), (5, 36199940), (7, 25857100), (10, 18099970), (14, 12928550), (19, 9526300), (20, 9049985), (25, 7239988), (28, 6464275), (31, 5838700), (35, 5171420), (38, 4763150), (50, 3619994), (62, 2919350), (70, 2585710), (76, 2381575), (95, 1905260), (100, 1809997), (124, 1459675), (133, 1360900), (140, 1292855), (155, 1167740), (175, 1034284), (190, 952630), (217, 834100), (266, 680450), (310, 583870), (350, 517142), (380, 476315), (434, 417050), (439, 412300), (475, 381052), (532, 340225), (589, 307300), (620, 291935), (665, 272180), (700, 258571), (775, 233548), (868, 208525), (878, 206150), (950, 190526), (1085, 166820), (1178, 153650), (1330, 136090), (1550, 116774), (1756, 103075), (1900, 95263), (2170, 83410), (2195, 82460), (2356, 76825), (2660, 68045), (2945, 61460), (3073, 58900), (3100, 58387), (3325, 54436), (4123, 43900), (4340, 41705), (4390, 41230), (5425, 33364), (5890, 30730), (6146, 29450), (6650, 27218), (8246, 21950), (8341, 21700), (8780, 20615), (10850, 16682), (10975, 16492), (11780, 15365), (12292, 14725), (13300, 13609)]