209780900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15773}}^1$

素因数の和:15813

約数の個数: 72

約数和(自身を含む): 547673280

約数和(自身を除く): 337892380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 15773, 31546, 63092, 78865, 110411, 157730, 220822, 299687, 315460, 394325, 441644, 552055, 599374, 788650, 1104110, 1198748, 1498435, 1577300, 2097809, 2208220, 2760275, 2996870, 4195618, 5520550, 5993740, 7492175, 8391236, 10489045, 11041100, 14984350, 20978090, 29968700, 41956180, 52445225, 104890450, 209780900]

約数ペア:

[(1, 209780900), (2, 104890450), (4, 52445225), (5, 41956180), (7, 29968700), (10, 20978090), (14, 14984350), (19, 11041100), (20, 10489045), (25, 8391236), (28, 7492175), (35, 5993740), (38, 5520550), (50, 4195618), (70, 2996870), (76, 2760275), (95, 2208220), (100, 2097809), (133, 1577300), (140, 1498435), (175, 1198748), (190, 1104110), (266, 788650), (350, 599374), (380, 552055), (475, 441644), (532, 394325), (665, 315460), (700, 299687), (950, 220822), (1330, 157730), (1900, 110411), (2660, 78865), (3325, 63092), (6650, 31546), (13300, 15773)]