213385400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 518062080

約数和(自身を除く): 304676680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 127, 155, 200, 248, 254, 271, 310, 508, 542, 620, 635, 775, 1016, 1084, 1240, 1270, 1355, 1550, 2168, 2540, 2710, 3100, 3175, 3937, 5080, 5420, 6200, 6350, 6775, 7874, 8401, 10840, 12700, 13550, 15748, 16802, 19685, 25400, 27100, 31496, 33604, 34417, 39370, 42005, 54200, 67208, 68834, 78740, 84010, 98425, 137668, 157480, 168020, 172085, 196850, 210025, 275336, 336040, 344170, 393700, 420050, 688340, 787400, 840100, 860425, 1066927, 1376680, 1680200, 1720850, 2133854, 3441700, 4267708, 5334635, 6883400, 8535416, 10669270, 21338540, 26673175, 42677080, 53346350, 106692700, 213385400]

約数ペア:

[(1, 213385400), (2, 106692700), (4, 53346350), (5, 42677080), (8, 26673175), (10, 21338540), (20, 10669270), (25, 8535416), (31, 6883400), (40, 5334635), (50, 4267708), (62, 3441700), (100, 2133854), (124, 1720850), (127, 1680200), (155, 1376680), (200, 1066927), (248, 860425), (254, 840100), (271, 787400), (310, 688340), (508, 420050), (542, 393700), (620, 344170), (635, 336040), (775, 275336), (1016, 210025), (1084, 196850), (1240, 172085), (1270, 168020), (1355, 157480), (1550, 137668), (2168, 98425), (2540, 84010), (2710, 78740), (3100, 68834), (3175, 67208), (3937, 54200), (5080, 42005), (5420, 39370), (6200, 34417), (6350, 33604), (6775, 31496), (7874, 27100), (8401, 25400), (10840, 19685), (12700, 16802), (13550, 15748)]