168648380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 362643456

約数和(自身を除く): 193995076

約数列:

[1, 2, 4, 5, 10, 20, 67, 127, 134, 254, 268, 335, 508, 635, 670, 991, 1270, 1340, 1982, 2540, 3964, 4955, 8509, 9910, 17018, 19820, 34036, 42545, 66397, 85090, 125857, 132794, 170180, 251714, 265588, 331985, 503428, 629285, 663970, 1258570, 1327940, 2517140, 8432419, 16864838, 33729676, 42162095, 84324190, 168648380]

約数ペア:

[(1, 168648380), (2, 84324190), (4, 42162095), (5, 33729676), (10, 16864838), (20, 8432419), (67, 2517140), (127, 1327940), (134, 1258570), (254, 663970), (268, 629285), (335, 503428), (508, 331985), (635, 265588), (670, 251714), (991, 170180), (1270, 132794), (1340, 125857), (1982, 85090), (2540, 66397), (3964, 42545), (4955, 34036), (8509, 19820), (9910, 17018)]