668879260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{17761}}^1$

素因数の和:18046

約数の個数: 48

約数和(自身を含む): 1611368640

約数和(自身を除く): 942489380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2690, 3766, 5380, 7532, 9415, 17761, 18830, 35522, 37660, 71044, 88805, 124327, 177610, 248654, 355220, 497308, 621635, 1243270, 2486540, 4777709, 9555418, 19110836, 23888545, 33443963, 47777090, 66887926, 95554180, 133775852, 167219815, 334439630, 668879260]

約数ペア:

[(1, 668879260), (2, 334439630), (4, 167219815), (5, 133775852), (7, 95554180), (10, 66887926), (14, 47777090), (20, 33443963), (28, 23888545), (35, 19110836), (70, 9555418), (140, 4777709), (269, 2486540), (538, 1243270), (1076, 621635), (1345, 497308), (1883, 355220), (2690, 248654), (3766, 177610), (5380, 124327), (7532, 88805), (9415, 71044), (17761, 37660), (18830, 35522)]