2548740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 7221312

約数和(自身を除く): 4672572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 397, 428, 535, 642, 794, 1070, 1191, 1284, 1588, 1605, 1985, 2140, 2382, 3210, 3970, 4764, 5955, 6420, 7940, 11910, 23820, 42479, 84958, 127437, 169916, 212395, 254874, 424790, 509748, 637185, 849580, 1274370, 2548740]

約数ペア:

[(1, 2548740), (2, 1274370), (3, 849580), (4, 637185), (5, 509748), (6, 424790), (10, 254874), (12, 212395), (15, 169916), (20, 127437), (30, 84958), (60, 42479), (107, 23820), (214, 11910), (321, 7940), (397, 6420), (428, 5955), (535, 4764), (642, 3970), (794, 3210), (1070, 2382), (1191, 2140), (1284, 1985), (1588, 1605)]