520017004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4919}}^1$

素因数の和:5062

約数の個数: 48

約数和(自身を含む): 1041465600

約数和(自身を除く): 521448596

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 107, 214, 247, 428, 494, 988, 1391, 2033, 2782, 4066, 4919, 5564, 8132, 9838, 19676, 26429, 52858, 63947, 93461, 105716, 127894, 186922, 255788, 373844, 526333, 1052666, 1214993, 2105332, 2429986, 4859972, 6842329, 10000327, 13684658, 20000654, 27369316, 40001308, 130004251, 260008502, 520017004]

約数ペア:

[(1, 520017004), (2, 260008502), (4, 130004251), (13, 40001308), (19, 27369316), (26, 20000654), (38, 13684658), (52, 10000327), (76, 6842329), (107, 4859972), (214, 2429986), (247, 2105332), (428, 1214993), (494, 1052666), (988, 526333), (1391, 373844), (2033, 255788), (2782, 186922), (4066, 127894), (4919, 105716), (5564, 93461), (8132, 63947), (9838, 52858), (19676, 26429)]