2100020600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17827}}^1$

素因数の和:17893

約数の個数: 96

約数和(自身を含む): 5305612800

約数和(自身を除く): 3205592200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 152, 155, 190, 200, 248, 310, 380, 475, 589, 620, 760, 775, 950, 1178, 1240, 1550, 1900, 2356, 2945, 3100, 3800, 4712, 5890, 6200, 11780, 14725, 17827, 23560, 29450, 35654, 58900, 71308, 89135, 117800, 142616, 178270, 338713, 356540, 445675, 552637, 677426, 713080, 891350, 1105274, 1354852, 1693565, 1782700, 2210548, 2709704, 2763185, 3387130, 3565400, 4421096, 5526370, 6774260, 8467825, 10500103, 11052740, 13548520, 13815925, 16935650, 21000206, 22105480, 27631850, 33871300, 42000412, 52500515, 55263700, 67742600, 84000824, 105001030, 110527400, 210002060, 262502575, 420004120, 525005150, 1050010300, 2100020600]

約数ペア:

[(1, 2100020600), (2, 1050010300), (4, 525005150), (5, 420004120), (8, 262502575), (10, 210002060), (19, 110527400), (20, 105001030), (25, 84000824), (31, 67742600), (38, 55263700), (40, 52500515), (50, 42000412), (62, 33871300), (76, 27631850), (95, 22105480), (100, 21000206), (124, 16935650), (152, 13815925), (155, 13548520), (190, 11052740), (200, 10500103), (248, 8467825), (310, 6774260), (380, 5526370), (475, 4421096), (589, 3565400), (620, 3387130), (760, 2763185), (775, 2709704), (950, 2210548), (1178, 1782700), (1240, 1693565), (1550, 1354852), (1900, 1105274), (2356, 891350), (2945, 713080), (3100, 677426), (3800, 552637), (4712, 445675), (5890, 356540), (6200, 338713), (11780, 178270), (14725, 142616), (17827, 117800), (23560, 89135), (29450, 71308), (35654, 58900)]