220994172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1621}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 640002272

約数和(自身を除く): 419008100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 541, 1082, 1621, 1623, 2164, 3242, 3246, 3787, 4863, 4869, 6484, 6492, 7574, 9726, 9738, 11347, 11361, 14589, 15148, 19452, 19476, 22694, 22722, 29178, 34041, 34083, 45388, 45444, 58356, 68082, 68166, 102123, 136164, 136332, 204246, 408492, 876961, 1753922, 2630883, 3507844, 5261766, 6138727, 7892649, 10523532, 12277454, 15785298, 18416181, 24554908, 31570596, 36832362, 55248543, 73664724, 110497086, 220994172]

約数ペア:

[(1, 220994172), (2, 110497086), (3, 73664724), (4, 55248543), (6, 36832362), (7, 31570596), (9, 24554908), (12, 18416181), (14, 15785298), (18, 12277454), (21, 10523532), (28, 7892649), (36, 6138727), (42, 5261766), (63, 3507844), (84, 2630883), (126, 1753922), (252, 876961), (541, 408492), (1082, 204246), (1621, 136332), (1623, 136164), (2164, 102123), (3242, 68166), (3246, 68082), (3787, 58356), (4863, 45444), (4869, 45388), (6484, 34083), (6492, 34041), (7574, 29178), (9726, 22722), (9738, 22694), (11347, 19476), (11361, 19452), (14589, 15148)]