399008340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4937}}^1$

素因数の和:5401

約数の個数: 72

約数和(自身を含む): 1213266600

約数和(自身を除く): 814258260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 4937, 5388, 6735, 8082, 8980, 9874, 13470, 14811, 16164, 19748, 20205, 24685, 26940, 29622, 40410, 44433, 49370, 59244, 74055, 80820, 88866, 98740, 148110, 177732, 222165, 296220, 444330, 888660, 2216713, 4433426, 6650139, 8866852, 11083565, 13300278, 19950417, 22167130, 26600556, 33250695, 39900834, 44334260, 66501390, 79801668, 99752085, 133002780, 199504170, 399008340]

約数ペア:

[(1, 399008340), (2, 199504170), (3, 133002780), (4, 99752085), (5, 79801668), (6, 66501390), (9, 44334260), (10, 39900834), (12, 33250695), (15, 26600556), (18, 22167130), (20, 19950417), (30, 13300278), (36, 11083565), (45, 8866852), (60, 6650139), (90, 4433426), (180, 2216713), (449, 888660), (898, 444330), (1347, 296220), (1796, 222165), (2245, 177732), (2694, 148110), (4041, 98740), (4490, 88866), (4937, 80820), (5388, 74055), (6735, 59244), (8082, 49370), (8980, 44433), (9874, 40410), (13470, 29622), (14811, 26940), (16164, 24685), (19748, 20205)]