199892440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3049}}^1$

素因数の和:3220

約数の個数: 64

約数和(自身を含む): 494100000

約数和(自身を除く): 294207560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2980, 3049, 3278, 5960, 6098, 6556, 8195, 12196, 13112, 15245, 16390, 24392, 30490, 32780, 33539, 60980, 65560, 67078, 121960, 134156, 167695, 268312, 335390, 454301, 670780, 908602, 1341560, 1817204, 2271505, 3634408, 4543010, 4997311, 9086020, 9994622, 18172040, 19989244, 24986555, 39978488, 49973110, 99946220, 199892440]

約数ペア:

[(1, 199892440), (2, 99946220), (4, 49973110), (5, 39978488), (8, 24986555), (10, 19989244), (11, 18172040), (20, 9994622), (22, 9086020), (40, 4997311), (44, 4543010), (55, 3634408), (88, 2271505), (110, 1817204), (149, 1341560), (220, 908602), (298, 670780), (440, 454301), (596, 335390), (745, 268312), (1192, 167695), (1490, 134156), (1639, 121960), (2980, 67078), (3049, 65560), (3278, 60980), (5960, 33539), (6098, 32780), (6556, 30490), (8195, 24392), (12196, 16390), (13112, 15245)]